gimi9 Pandas Profiling

Dataset statistics

Number of variables	20
Number of observations	61
Missing cells	190
Missing cells (%)	15.6%
Duplicate rows	0
Duplicate rows (%)	0.0%
Total size in memory	10.6 KiB
Average record size in memory	177.2 B

Variable types

Text	2
Categorical	1
Numeric	15
DateTime	2

Dataset

Description	ㅁ 개 요 : K-water에서 관리중인 댐(다목적댐, 용수댐) 및 보의 제원정보 입니다. 2022년 12월까지 변동사항 없습니다. ㅁ 제공항목 * 형식 * 높이[m] * 길이[m] * 정상표고 [EL.m] * 체적[㎥] * 유역면적[㎢] * 저수면적[㎡] * 계획홍수위[EL.m] * 상시만수위[EL.m] * 홍수기제한수위[EL.m] * 월류정표고[EL.m] * 저수위[EL.m] * 총저수용량[㎥] * 유효저수용량[㎥] * 홍수조절용량[㎥] ㅁ 보유기간 : 매년 업데이트 ㅁ 제공형식 :파일(XLS, CSV), 오픈API(XML, JSON)
URL	https://www.data.go.kr/data/15083336/fileData.do

Alerts

`높이(미터)` is highly overall correlated with `정상표고(EL_미터)` and 10 other fields	High correlation
`길이(미터)` is highly overall correlated with `체적(천미터세제곱)` and 3 other fields	High correlation
`정상표고(EL_미터)` is highly overall correlated with `높이(미터)` and 5 other fields	High correlation
`체적(천미터세제곱)` is highly overall correlated with `높이(미터)` and 6 other fields	High correlation
`유역면적(킬로미터제곱)` is highly overall correlated with `높이(미터)` and 6 other fields	High correlation
`연간용수공급량(백만미터세제곱)` is highly overall correlated with `높이(미터)` and 8 other fields	High correlation
`저수면적(킬로미터제곱)` is highly overall correlated with `높이(미터)` and 7 other fields	High correlation
`계획홍수위(EL_미터)` is highly overall correlated with `높이(미터)` and 5 other fields	High correlation
`상시만수위(EL_미터)` is highly overall correlated with `정상표고(EL_미터)` and 5 other fields	High correlation
`홍수기제한수위(EL_미터)` is highly overall correlated with `정상표고(EL_미터)` and 6 other fields	High correlation
`월류정표고(EL_미터)` is highly overall correlated with `높이(미터)` and 5 other fields	High correlation
`저수위(EL_미터)` is highly overall correlated with `높이(미터)` and 5 other fields	High correlation
`총저수용량(백만미터세제곱)` is highly overall correlated with `높이(미터)` and 6 other fields	High correlation
`유효저수용량(백만미터세제곱)` is highly overall correlated with `높이(미터)` and 6 other fields	High correlation
`홍수조절용량(백만미터세제곱)` is highly overall correlated with `높이(미터)` and 6 other fields	High correlation
`높이(미터)` has 16 (26.2%) missing values	Missing
`정상표고(EL_미터)` has 16 (26.2%) missing values	Missing
`체적(천미터세제곱)` has 16 (26.2%) missing values	Missing
`연간용수공급량(백만미터세제곱)` has 16 (26.2%) missing values	Missing
`저수면적(킬로미터제곱)` has 17 (27.9%) missing values	Missing
`상시만수위(EL_미터)` has 17 (27.9%) missing values	Missing
`홍수기제한수위(EL_미터)` has 26 (42.6%) missing values	Missing
`월류정표고(EL_미터)` has 17 (27.9%) missing values	Missing
`저수위(EL_미터)` has 17 (27.9%) missing values	Missing
`유효저수용량(백만미터세제곱)` has 16 (26.2%) missing values	Missing
`홍수조절용량(백만미터세제곱)` has 16 (26.2%) missing values	Missing
`댐이름` has unique values	Unique
`높이(미터)` has 5 (8.2%) zeros	Zeros
`체적(천미터세제곱)` has 6 (9.8%) zeros	Zeros
`유역면적(킬로미터제곱)` has 6 (9.8%) zeros	Zeros
`연간용수공급량(백만미터세제곱)` has 11 (18.0%) zeros	Zeros
`저수면적(킬로미터제곱)` has 8 (13.1%) zeros	Zeros
`상시만수위(EL_미터)` has 2 (3.3%) zeros	Zeros
`홍수기제한수위(EL_미터)` has 2 (3.3%) zeros	Zeros
`유효저수용량(백만미터세제곱)` has 2 (3.3%) zeros	Zeros
`홍수조절용량(백만미터세제곱)` has 22 (36.1%) zeros	Zeros

Reproduction

Analysis started	2023-12-12 07:13:44.538461
Analysis finished	2023-12-12 07:14:11.084075
Duration	26.55 seconds
Software version	ydata-profiling vv4.5.1
Download configuration	config.json

댐이름
Text

UNIQUE

Distinct	61
Distinct (%)	100.0%
Missing	0
Missing (%)	0.0%
Memory size	620.0 B

Length

Max length	9
Median length	6
Mean length	3.0491803
Min length	2

Characters and Unicode

Total characters	186
Distinct characters	87
Distinct categories	4 ?
Distinct scripts	2 ?
Distinct blocks	2 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	61 ?
Unique (%)	100.0%

Sample

1st row	낙동강하굿둑
2nd row	주암(조)
3rd row	횡성
4th row	주암(본)
5th row	부안

Value	Count	Frequency (%)
낙동강하굿둑	1	1.6%
대암	1	1.6%
연초	1	1.6%
구천	1	1.6%
수어	1	1.6%
평림	1	1.6%
감포	1	1.6%
대곡	1	1.6%
충주조정지	1	1.6%
안동조정지	1	1.6%
Other values (51)	51	83.6%

Most occurring characters

Value	Count	Frequency (%)
보	18	9.7%
주	9	4.8%
강	7	3.8%
천	7	3.8%
정	7	3.8%
조	7	3.8%
지	6	3.2%
암	5	2.7%
안	5	2.7%
동	4	2.2%
Other values (77)	111	59.7%

Most occurring categories

Value	Count	Frequency (%)
Other Letter	179	96.2%
Open Punctuation	3	1.6%
Close Punctuation	3	1.6%
Decimal Number	1	0.5%

Most frequent character per category

Other Letter

Value	Count	Frequency (%)
보	18	10.1%
주	9	5.0%
강	7	3.9%
천	7	3.9%
정	7	3.9%
조	7	3.9%
지	6	3.4%
암	5	2.8%
안	5	2.8%
동	4	2.2%
Other values (74)	104	58.1%

Open Punctuation

Value	Count	Frequency (%)
(	3	100.0%

Close Punctuation

Value	Count	Frequency (%)
)	3	100.0%

Decimal Number

Value	Count	Frequency (%)
3	1	100.0%

Most occurring scripts

Value	Count	Frequency (%)
Hangul	179	96.2%
Common	7	3.8%

Most frequent character per script

Hangul

Value	Count	Frequency (%)
보	18	10.1%
주	9	5.0%
강	7	3.9%
천	7	3.9%
정	7	3.9%
조	7	3.9%
지	6	3.4%
암	5	2.8%
안	5	2.8%
동	4	2.2%
Other values (74)	104	58.1%

Common

Value	Count	Frequency (%)
(	3	42.9%
)	3	42.9%
3	1	14.3%

Most occurring blocks

Value	Count	Frequency (%)
Hangul	179	96.2%
ASCII	7	3.8%

Most frequent character per block

Hangul

Value	Count	Frequency (%)
보	18	10.1%
주	9	5.0%
강	7	3.9%
천	7	3.9%
정	7	3.9%
조	7	3.9%
지	6	3.4%
암	5	2.8%
안	5	2.8%
동	4	2.2%
Other values (74)	104	58.1%

ASCII

Value	Count	Frequency (%)
(	3	42.9%
)	3	42.9%
3	1	14.3%

하천
Text

Distinct	34
Distinct (%)	55.7%
Missing	0
Missing (%)	0.0%
Memory size	620.0 B

Length

Max length	5
Median length	3
Mean length	2.8032787
Min length	2

Characters and Unicode

Total characters	171
Distinct characters	54
Distinct categories	2 ?
Distinct scripts	2 ?
Distinct blocks	2 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	25 ?
Unique (%)	41.0%

Sample

1st row	낙동강
2nd row	이사천
3rd row	섬강
4th row	보성강
5th row	직소천

Value	Count	Frequency (%)
낙동강	15	24.6%
금강	6	9.8%
한강	3	4.9%
남한강	2	3.3%
대곡천	2	3.3%
이사천	2	3.3%
황강	2	3.3%
영산강	2	3.3%
북한강	2	3.3%
수어천	1	1.6%
Other values (24)	24	39.3%

Most occurring characters

Value	Count	Frequency (%)
강	39	22.8%
천	25	14.6%
동	16	9.4%
낙	15	8.8%
한	8	4.7%
금	6	3.5%
남	3	1.8%
진	3	1.8%
영	2	1.2%
섬	2	1.2%
Other values (44)	52	30.4%

Most occurring categories

Value	Count	Frequency (%)
Other Letter	170	99.4%
Decimal Number	1	0.6%

Most frequent character per category

Other Letter

Value	Count	Frequency (%)
강	39	22.9%
천	25	14.7%
동	16	9.4%
낙	15	8.8%
한	8	4.7%
금	6	3.5%
남	3	1.8%
진	3	1.8%
영	2	1.2%
섬	2	1.2%
Other values (43)	51	30.0%

Decimal Number

Value	Count	Frequency (%)
2	1	100.0%

Most occurring scripts

Value	Count	Frequency (%)
Hangul	170	99.4%
Common	1	0.6%

Most frequent character per script

Hangul

Value	Count	Frequency (%)
강	39	22.9%
천	25	14.7%
동	16	9.4%
낙	15	8.8%
한	8	4.7%
금	6	3.5%
남	3	1.8%
진	3	1.8%
영	2	1.2%
섬	2	1.2%
Other values (43)	51	30.0%

Common

Value	Count	Frequency (%)
2	1	100.0%

Most occurring blocks

Value	Count	Frequency (%)
Hangul	170	99.4%
ASCII	1	0.6%

Most frequent character per block

Hangul

Value	Count	Frequency (%)
강	39	22.9%
천	25	14.7%
동	16	9.4%
낙	15	8.8%
한	8	4.7%
금	6	3.5%
남	3	1.8%
진	3	1.8%
영	2	1.2%
섬	2	1.2%
Other values (43)	51	30.0%

ASCII

Value	Count	Frequency (%)
2	1	100.0%

형식
Categorical

Distinct	6
Distinct (%)	9.8%
Missing	0
Missing (%)	0.0%
Memory size	620.0 B

E.C.R.D	18
C.G.W	16
C.G.D	10
C.F.R.D	9
C.G_E.C.R.D	6

Length

Max length	11
Median length	7
Mean length	6.4098361
Min length	3

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	C.G_E.C.R.D
2nd row	E.C.R.D
3rd row	E.C.R.D
4th row	E.C.R.D
5th row	C.F.R.D

Common Values

Value	Count	Frequency (%)
E.C.R.D	18	29.5%
C.G.W	16	26.2%
C.G.D	10	16.4%
C.F.R.D	9	14.8%
C.G_E.C.R.D	6	9.8%
E.F	2	3.3%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
e.c.r.d	18	29.5%
c.g.w	16	26.2%
c.g.d	10	16.4%
c.f.r.d	9	14.8%
c.g_e.c.r.d	6	9.8%
e.f	2	3.3%

높이(미터)
Real number (ℝ)

HIGH CORRELATION MISSING ZEROS

Distinct	37
Distinct (%)	82.2%
Missing	16
Missing (%)	26.2%
Infinite	0
Infinite (%)	0.0%
Mean	51.155556

Minimum	0
Maximum	125
Zeros	5
Zeros (%)	8.2%
Negative	0
Negative (%)	0.0%
Memory size	681.0 B

Quantile statistics

Minimum	0
5-th percentile	0
Q1	32.5
median	50
Q3	67
95-th percentile	99.42
Maximum	125
Range	125
Interquartile range (IQR)	34.5

Descriptive statistics

Standard deviation	30.839176
Coefficient of variation (CV)	0.60285097
Kurtosis	0.065998677
Mean	51.155556
Median Absolute Deviation (MAD)	17.5
Skewness	0.33694271
Sum	2302
Variance	951.0548
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=37)

Value	Count	Frequency (%)
0.0	5	8.2%
50.0	3	4.9%
64.0	2	3.3%
58.5	2	3.3%
26.0	1	1.6%
39.5	1	1.6%
22.6	1	1.6%
48.5	1	1.6%
52.0	1	1.6%
35.0	1	1.6%
Other values (27)	27	44.3%
(Missing)	16	26.2%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.0	5	8.2%
18.7	1	1.6%
22.0	1	1.6%
22.6	1	1.6%
24.5	1	1.6%
26.0	1	1.6%
27.0	1	1.6%
32.5	1	1.6%
34.0	1	1.6%
35.0	1	1.6%

Value	Count	Frequency (%)
125.0	1	1.6%
123.0	1	1.6%
99.9	1	1.6%
97.5	1	1.6%
96.0	1	1.6%
89.5	1	1.6%
83.5	1	1.6%
83.0	1	1.6%
73.0	1	1.6%
72.0	1	1.6%

길이(미터)
Real number (ℝ)

HIGH CORRELATION

Distinct	57
Distinct (%)	93.4%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	429.99508

Minimum	108
Maximum	2230
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	681.0 B

Quantile statistics

Minimum	108
5-th percentile	192
Q1	286
median	374
Q3	512
95-th percentile	690
Maximum	2230
Range	2122
Interquartile range (IQR)	226

Descriptive statistics

Standard deviation	294.90874
Coefficient of variation (CV)	0.68584211
Kurtosis	23.299867
Mean	429.99508
Median Absolute Deviation (MAD)	100
Skewness	4.1475773
Sum	26229.7
Variance	86971.162
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
234.0	2	3.3%
300.0	2	3.3%
400.0	2	3.3%
472.0	2	3.3%
286.0	1	1.6%
437.0	1	1.6%
390.5	1	1.6%
108.0	1	1.6%
192.0	1	1.6%
480.7	1	1.6%
Other values (47)	47	77.0%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
108.0	1	1.6%
120.0	1	1.6%
184.0	1	1.6%
192.0	1	1.6%
194.7	1	1.6%
205.0	1	1.6%
218.0	1	1.6%
223.5	1	1.6%
234.0	2	3.3%
250.0	1	1.6%

Value	Count	Frequency (%)
2230.0	1	1.6%
1126.0	1	1.6%
954.0	1	1.6%
690.0	1	1.6%
658.0	1	1.6%
612.0	1	1.6%
601.0	1	1.6%
580.0	1	1.6%
562.6	1	1.6%
549.0	1	1.6%

정상표고(EL_미터)
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	43
Distinct (%)	95.6%
Missing	16
Missing (%)	26.2%
Infinite	0
Infinite (%)	0.0%
Mean	137.00222

Minimum	9.2
Maximum	678.5
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	681.0 B

Quantile statistics

Minimum	9.2
5-th percentile	32.94
Q1	66
median	115
Q3	181
95-th percentile	269.7
Maximum	678.5
Range	669.3
Interquartile range (IQR)	115

Descriptive statistics

Standard deviation	112.98669
Coefficient of variation (CV)	0.82470696
Kurtosis	11.310771
Mean	137.00222
Median Absolute Deviation (MAD)	60
Skewness	2.7453478
Sum	6165.1
Variance	12765.991
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=43)

Value	Count	Frequency (%)
168.0	2	3.3%
115.0	2	3.3%
36.7	1	1.6%
66.0	1	1.6%
117.0	1	1.6%
155.1	1	1.6%
162.0	1	1.6%
66.4	1	1.6%
32.0	1	1.6%
55.0	1	1.6%
Other values (33)	33	54.1%
(Missing)	16	26.2%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
9.2	1	1.6%
28.0	1	1.6%
32.0	1	1.6%
36.7	1	1.6%
44.0	1	1.6%
45.0	1	1.6%
46.9	1	1.6%
49.0	1	1.6%
51.0	1	1.6%
52.0	1	1.6%

Value	Count	Frequency (%)
678.5	1	1.6%
368.5	1	1.6%
270.0	1	1.6%
268.5	1	1.6%
241.0	1	1.6%
213.0	1	1.6%
208.4	1	1.6%
203.0	1	1.6%
201.4	1	1.6%
200.0	1	1.6%

체적(천미터세제곱)
Real number (ℝ)

HIGH CORRELATION MISSING ZEROS

Distinct	39
Distinct (%)	86.7%
Missing	16
Missing (%)	26.2%
Infinite	0
Infinite (%)	0.0%
Mean	1416.7778

Minimum	0
Maximum	9591
Zeros	6
Zeros (%)	9.8%
Negative	0
Negative (%)	0.0%
Memory size	681.0 B

Quantile statistics

Minimum	0
5-th percentile	0
Q1	254
median	877
Q3	1460
95-th percentile	4775
Maximum	9591
Range	9591
Interquartile range (IQR)	1206

Descriptive statistics

Standard deviation	1966.855
Coefficient of variation (CV)	1.3882594
Kurtosis	8.1722509
Mean	1416.7778
Median Absolute Deviation (MAD)	623
Skewness	2.7264714
Sum	63755
Variance	3868518.8
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=39)

Value	Count	Frequency (%)
0	6	9.8%
2206	2	3.3%
1573	1	1.6%
757	1	1.6%
616	1	1.6%
1009	1	1.6%
1319	1	1.6%
960	1	1.6%
696	1	1.6%
290	1	1.6%
Other values (29)	29	47.5%
(Missing)	16	26.2%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	6	9.8%
108	1	1.6%
177	1	1.6%
190	1	1.6%
203	1	1.6%
227	1	1.6%
254	1	1.6%
290	1	1.6%
410	1	1.6%
528	1	1.6%

Value	Count	Frequency (%)
9591	1	1.6%
7905	1	1.6%
4965	1	1.6%
4015	1	1.6%
3943	1	1.6%
3423	1	1.6%
2206	2	3.3%
2189	1	1.6%
1573	1	1.6%
1506	1	1.6%

유역면적(킬로미터제곱)
Real number (ℝ)

HIGH CORRELATION ZEROS

Distinct	56
Distinct (%)	91.8%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	3525.5902

Minimum	0
Maximum	23560
Zeros	6
Zeros (%)	9.8%
Negative	0
Negative (%)	0.0%
Memory size	681.0 B

Quantile statistics

Minimum	0
5-th percentile	0
Q1	49
median	500
Q3	6648
95-th percentile	14248
Maximum	23560
Range	23560
Interquartile range (IQR)	6599

Descriptive statistics

Standard deviation	5487.3817
Coefficient of variation (CV)	1.5564434
Kurtosis	3.0569814
Mean	3525.5902
Median Absolute Deviation (MAD)	500
Skewness	1.8307778
Sum	215061
Variance	30111358
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0	6	9.8%
23560	1	1.6%
67	1	1.6%
77	1	1.6%
7	1	1.6%
12	1	1.6%
13	1	1.6%
49	1	1.6%
20	1	1.6%
4	1	1.6%
Other values (46)	46	75.4%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	6	9.8%
1	1	1.6%
4	1	1.6%
7	1	1.6%
12	1	1.6%
13	1	1.6%
20	1	1.6%
29	1	1.6%
33	1	1.6%
41	1	1.6%

Value	Count	Frequency (%)
23560	1	1.6%
20697	1	1.6%
15074	1	1.6%
14248	1	1.6%
11803	1	1.6%
11667	1	1.6%
11115	1	1.6%
11040	1	1.6%
10972	1	1.6%
9557	1	1.6%

연간용수공급량(백만미터세제곱)
Real number (ℝ)

HIGH CORRELATION MISSING ZEROS

Distinct	33
Distinct (%)	73.3%
Missing	16
Missing (%)	26.2%
Infinite	0
Infinite (%)	0.0%
Mean	277.42222

Minimum	0
Maximum	3380
Zeros	11
Zeros (%)	18.0%
Negative	0
Negative (%)	0.0%
Memory size	681.0 B

Quantile statistics

Minimum	0
5-th percentile	0
Q1	2
median	34
Q3	219
95-th percentile	1155.6
Maximum	3380
Range	3380
Interquartile range (IQR)	217

Descriptive statistics

Standard deviation	593.09349
Coefficient of variation (CV)	2.137873
Kurtosis	17.28396
Mean	277.42222
Median Absolute Deviation (MAD)	34
Skewness	3.7934035
Sum	12484
Variance	351759.89
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=33)

Value	Count	Frequency (%)
0	11	18.0%
15	2	3.3%
107	2	3.3%
35	1	1.6%
270	1	1.6%
32	1	1.6%
2	1	1.6%
12	1	1.6%
30	1	1.6%
8	1	1.6%
Other values (23)	23	37.7%
(Missing)	16	26.2%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	11	18.0%
2	1	1.6%
6	1	1.6%
8	1	1.6%
12	1	1.6%
15	2	3.3%
18	1	1.6%
21	1	1.6%
26	1	1.6%
30	1	1.6%

Value	Count	Frequency (%)
3380	1	1.6%
1649	1	1.6%
1213	1	1.6%
926	1	1.6%
750	1	1.6%
650	1	1.6%
599	1	1.6%
592	1	1.6%
573	1	1.6%
435	1	1.6%

저수면적(킬로미터제곱)
Real number (ℝ)

HIGH CORRELATION MISSING ZEROS

Distinct	31
Distinct (%)	70.5%
Missing	17
Missing (%)	27.9%
Infinite	0
Infinite (%)	0.0%
Mean	16.393182

Minimum	0
Maximum	180.7
Zeros	8
Zeros (%)	13.1%
Negative	0
Negative (%)	0.0%
Memory size	681.0 B

Quantile statistics

Minimum	0
5-th percentile	0
Q1	0.5
median	2.3
Q3	13.975
95-th percentile	72.38
Maximum	180.7
Range	180.7
Interquartile range (IQR)	13.475

Descriptive statistics

Standard deviation	33.658873
Coefficient of variation (CV)	2.0532239
Kurtosis	13.295315
Mean	16.393182
Median Absolute Deviation (MAD)	2.3
Skewness	3.3543332
Sum	721.3
Variance	1132.9197
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=31)

Value	Count	Frequency (%)
0.0	8	13.1%
1.5	4	6.6%
0.5	2	3.3%
7.8	2	3.3%
3.0	2	3.3%
70.0	1	1.6%
2.4	1	1.6%
0.2	1	1.6%
0.9	1	1.6%
0.6	1	1.6%
Other values (21)	21	34.4%
(Missing)	17	27.9%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.0	8	13.1%
0.2	1	1.6%
0.3	1	1.6%
0.5	2	3.3%
0.6	1	1.6%
0.9	1	1.6%
1.0	1	1.6%
1.4	1	1.6%
1.5	4	6.6%
1.9	1	1.6%

Value	Count	Frequency (%)
180.7	1	1.6%
97.0	1	1.6%
72.8	1	1.6%
70.0	1	1.6%
51.5	1	1.6%
36.2	1	1.6%
33.0	1	1.6%
28.2	1	1.6%
26.5	1	1.6%
26.4	1	1.6%

계획홍수위(EL_미터)
Real number (ℝ)

HIGH CORRELATION

Distinct	60
Distinct (%)	98.4%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	105.73443

Minimum	3.7
Maximum	675.3
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	681.0 B

Quantile statistics

Minimum	3.7
5-th percentile	13.1
Q1	36.2
median	67.3
Q3	159.3
95-th percentile	264.6
Maximum	675.3
Range	671.6
Interquartile range (IQR)	123.1

Descriptive statistics

Standard deviation	107.90898
Coefficient of variation (CV)	1.0205662
Kurtosis	12.185023
Mean	105.73443
Median Absolute Deviation (MAD)	43.8
Skewness	2.8257862
Sum	6449.8
Variance	11644.348
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
49.6	2	3.3%
3.7	1	1.6%
52.9	1	1.6%
94.5	1	1.6%
66.2	1	1.6%
111.3	1	1.6%
41.2	1	1.6%
122.7	1	1.6%
67.3	1	1.6%
98.8	1	1.6%
Other values (50)	50	82.0%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
3.7	1	1.6%
7.1	1	1.6%
11.6	1	1.6%
13.1	1	1.6%
13.7	1	1.6%
17.6	1	1.6%
18.6	1	1.6%
21.9	1	1.6%
23.5	1	1.6%
24.0	1	1.6%

Value	Count	Frequency (%)
675.3	1	1.6%
364.9	1	1.6%
265.5	1	1.6%
264.6	1	1.6%
238.5	1	1.6%
210.2	1	1.6%
205.1	1	1.6%
198.6	1	1.6%
198.0	1	1.6%
197.7	1	1.6%

상시만수위(EL_미터)
Real number (ℝ)

HIGH CORRELATION MISSING ZEROS

Distinct	41
Distinct (%)	93.2%
Missing	17
Missing (%)	27.9%
Infinite	0
Infinite (%)	0.0%
Mean	125.64773

Minimum	0
Maximum	672
Zeros	2
Zeros (%)	3.3%
Negative	0
Negative (%)	0.0%
Memory size	681.0 B

Quantile statistics

Minimum	0
5-th percentile	24.475
Q1	48.375
median	105.8
Q3	166.25
95-th percentile	259.375
Maximum	672
Range	672
Interquartile range (IQR)	117.875

Descriptive statistics

Standard deviation	114.24151
Coefficient of variation (CV)	0.90922063
Kurtosis	11.571284
Mean	125.64773
Median Absolute Deviation (MAD)	57.55
Skewness	2.7887935
Sum	5528.5
Variance	13051.122
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=41)

Value	Count	Frequency (%)
0.0	2	3.3%
30.0	2	3.3%
108.5	2	3.3%
204.0	1	1.6%
64.0	1	1.6%
156.8	1	1.6%
60.0	1	1.6%
41.2	1	1.6%
48.5	1	1.6%
43.9	1	1.6%
Other values (31)	31	50.8%
(Missing)	17	27.9%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.0	2	3.3%
23.5	1	1.6%
30.0	2	3.3%
31.0	1	1.6%
40.0	1	1.6%
41.0	1	1.6%
41.2	1	1.6%
43.9	1	1.6%
48.0	1	1.6%
48.5	1	1.6%

Value	Count	Frequency (%)
672.0	1	1.6%
364.0	1	1.6%
263.5	1	1.6%
236.0	1	1.6%
207.2	1	1.6%
204.0	1	1.6%
196.5	1	1.6%
195.0	1	1.6%
193.5	1	1.6%
180.0	1	1.6%

홍수기제한수위(EL_미터)
Real number (ℝ)

HIGH CORRELATION MISSING ZEROS

Distinct	33
Distinct (%)	94.3%
Missing	26
Missing (%)	42.6%
Infinite	0
Infinite (%)	0.0%
Mean	121.56286

Minimum	0
Maximum	672
Zeros	2
Zeros (%)	3.3%
Negative	0
Negative (%)	0.0%
Memory size	681.0 B

Quantile statistics

Minimum	0
5-th percentile	16.1
Q1	45.95
median	98
Q3	156.75
95-th percentile	291.65
Maximum	672
Range	672
Interquartile range (IQR)	110.8

Descriptive statistics

Standard deviation	124.33502
Coefficient of variation (CV)	1.0228044
Kurtosis	10.924653
Mean	121.56286
Median Absolute Deviation (MAD)	56.8
Skewness	2.8503247
Sum	4254.7
Variance	15459.198
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=33)

Value	Count	Frequency (%)
0.0	2	3.3%
30.0	2	3.3%
57.5	1	1.6%
103.1	1	1.6%
98.0	1	1.6%
23.5	1	1.6%
65.1	1	1.6%
60.0	1	1.6%
40.0	1	1.6%
109.7	1	1.6%
Other values (23)	23	37.7%
(Missing)	26	42.6%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.0	2	3.3%
23.0	1	1.6%
23.5	1	1.6%
30.0	2	3.3%
40.0	1	1.6%
41.2	1	1.6%
43.9	1	1.6%
48.0	1	1.6%
48.5	1	1.6%
57.5	1	1.6%

Value	Count	Frequency (%)
672.0	1	1.6%
362.0	1	1.6%
261.5	1	1.6%
236.0	1	1.6%
193.5	1	1.6%
190.3	1	1.6%
178.2	1	1.6%
161.7	1	1.6%
156.8	1	1.6%
156.7	1	1.6%

월류정표고(EL_미터)
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	43
Distinct (%)	97.7%
Missing	17
Missing (%)	27.9%
Infinite	0
Infinite (%)	0.0%
Mean	125.83182

Minimum	18.5
Maximum	672
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	681.0 B

Quantile statistics

Minimum	18.5
5-th percentile	29.15
Q1	54.25
median	103.5
Q3	161.5
95-th percentile	250.055
Maximum	672
Range	653.5
Interquartile range (IQR)	107.25

Descriptive statistics

Standard deviation	111.33007
Coefficient of variation (CV)	0.88475297
Kurtosis	13.031268
Mean	125.83182
Median Absolute Deviation (MAD)	54.15
Skewness	3.0176009
Sum	5536.6
Variance	12394.385
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=43)

Value	Count	Frequency (%)
64.0	2	3.3%
360.0	1	1.6%
112.0	1	1.6%
150.0	1	1.6%
156.8	1	1.6%
60.0	1	1.6%
30.0	1	1.6%
48.5	1	1.6%
43.9	1	1.6%
48.0	1	1.6%
Other values (33)	33	54.1%
(Missing)	17	27.9%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
18.5	1	1.6%
24.4	1	1.6%
29.0	1	1.6%
30.0	1	1.6%
31.0	1	1.6%
40.0	1	1.6%
41.2	1	1.6%
43.9	1	1.6%
48.0	1	1.6%
48.5	1	1.6%

Value	Count	Frequency (%)
672.0	1	1.6%
360.0	1	1.6%
252.8	1	1.6%
234.5	1	1.6%
199.5	1	1.6%
197.2	1	1.6%
192.7	1	1.6%
190.5	1	1.6%
185.5	1	1.6%
167.0	1	1.6%

저수위(EL_미터)
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	39
Distinct (%)	88.6%
Missing	17
Missing (%)	27.9%
Infinite	0
Infinite (%)	0.0%
Mean	109.72045

Minimum	18.5
Maximum	662
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	681.0 B

Quantile statistics

Minimum	18.5
5-th percentile	22.575
Q1	44.875
median	88
Q3	142.5
95-th percentile	225.425
Maximum	662
Range	643.5
Interquartile range (IQR)	97.625

Descriptive statistics

Standard deviation	108.06891
Coefficient of variation (CV)	0.98494772
Kurtosis	15.687303
Mean	109.72045
Median Absolute Deviation (MAD)	49.5
Skewness	3.3939924
Sum	4827.7
Variance	11678.89
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=39)

Value	Count	Frequency (%)
150.0	2	3.3%
160.0	2	3.3%
55.0	2	3.3%
60.0	2	3.3%
23.0	2	3.3%
45.0	1	1.6%
44.5	1	1.6%
31.0	1	1.6%
36.3	1	1.6%
58.0	1	1.6%
Other values (29)	29	47.5%
(Missing)	17	27.9%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
18.5	1	1.6%
21.0	1	1.6%
22.5	1	1.6%
23.0	2	3.3%
25.0	1	1.6%
31.0	1	1.6%
32.0	1	1.6%
36.3	1	1.6%
44.0	1	1.6%
44.5	1	1.6%

Value	Count	Frequency (%)
662.0	1	1.6%
333.0	1	1.6%
228.5	1	1.6%
208.0	1	1.6%
181.0	1	1.6%
165.0	1	1.6%
160.0	2	3.3%
154.5	1	1.6%
150.0	2	3.3%
140.0	1	1.6%

사업시작일
Date

Distinct	39
Distinct (%)	63.9%
Missing	0
Missing (%)	0.0%
Memory size	620.0 B

Minimum	1961-08-01 00:00:00
Maximum	2012-06-01 00:00:00

Histogram

Histogram with fixed size bins (bins=39)

사업종료일
Date

Distinct	36
Distinct (%)	59.0%
Missing	0
Missing (%)	0.0%
Memory size	620.0 B

Minimum	1964-12-01 00:00:00
Maximum	2018-12-01 00:00:00

Histogram

Histogram with fixed size bins (bins=36)

총저수용량(백만미터세제곱)
Real number (ℝ)

HIGH CORRELATION

Distinct	53
Distinct (%)	86.9%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	282.81967

Minimum	1
Maximum	2900
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	681.0 B

Quantile statistics

Minimum	1
5-th percentile	2
Q1	11
median	49
Q3	181
95-th percentile	1490
Maximum	2900
Range	2899
Interquartile range (IQR)	170

Descriptive statistics

Standard deviation	637.13441
Coefficient of variation (CV)	2.2527938
Kurtosis	9.9955632
Mean	282.81967
Median Absolute Deviation (MAD)	41
Skewness	3.2072461
Sum	17252
Variance	405940.25
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
2	3	4.9%
9	3	4.9%
11	2	3.3%
28	2	3.3%
10	2	3.3%
5	2	3.3%
297	1	1.6%
96	1	1.6%
18	1	1.6%
29	1	1.6%
Other values (43)	43	70.5%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
1	1	1.6%
2	3	4.9%
3	1	1.6%
4	1	1.6%
5	2	3.3%
6	1	1.6%
8	1	1.6%
9	3	4.9%
10	2	3.3%
11	2	3.3%

Value	Count	Frequency (%)
2900	1	1.6%
2750	1	1.6%
2630	1	1.6%
1490	1	1.6%
1248	1	1.6%
815	1	1.6%
790	1	1.6%
595	1	1.6%
466	1	1.6%
457	1	1.6%

유효저수용량(백만미터세제곱)
Real number (ℝ)

HIGH CORRELATION MISSING ZEROS

Distinct	38
Distinct (%)	84.4%
Missing	16
Missing (%)	26.2%
Infinite	0
Infinite (%)	0.0%
Mean	218.17778

Minimum	0
Maximum	1900
Zeros	2
Zeros (%)	3.3%
Negative	0
Negative (%)	0.0%
Memory size	681.0 B

Quantile statistics

Minimum	0
5-th percentile	1
Q1	8
median	36
Q3	210
95-th percentile	958
Maximum	1900
Range	1900
Interquartile range (IQR)	202

Descriptive statistics

Standard deviation	421.52123
Coefficient of variation (CV)	1.9320081
Kurtosis	8.8934776
Mean	218.17778
Median Absolute Deviation (MAD)	35
Skewness	2.9257662
Sum	9818
Variance	177680.15
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=38)

Value	Count	Frequency (%)
8	3	4.9%
2	3	4.9%
1	2	3.3%
5	2	3.3%
0	2	3.3%
40	1	1.6%
25	1	1.6%
4	1	1.6%
73	1	1.6%
3	1	1.6%
Other values (28)	28	45.9%
(Missing)	16	26.2%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	2	3.3%
1	2	3.3%
2	3	4.9%
3	1	1.6%
4	1	1.6%
5	2	3.3%
8	3	4.9%
9	1	1.6%
13	1	1.6%
17	1	1.6%

Value	Count	Frequency (%)
1900	1	1.6%
1789	1	1.6%
1000	1	1.6%
790	1	1.6%
672	1	1.6%
560	1	1.6%
424	1	1.6%
370	1	1.6%
352	1	1.6%
300	1	1.6%

홍수조절용량(백만미터세제곱)
Real number (ℝ)

HIGH CORRELATION MISSING ZEROS

Distinct	20
Distinct (%)	44.4%
Missing	16
Missing (%)	26.2%
Infinite	0
Infinite (%)	0.0%
Mean	58.6

Minimum	0
Maximum	616
Zeros	22
Zeros (%)	36.1%
Negative	0
Negative (%)	0.0%
Memory size	681.0 B

Quantile statistics

Minimum	0
5-th percentile	0
Q1	0
median	3
Q3	60
95-th percentile	270
Maximum	616
Range	616
Interquartile range (IQR)	60

Descriptive statistics

Standard deviation	129.9609
Coefficient of variation (CV)	2.2177629
Kurtosis	9.5865129
Mean	58.6
Median Absolute Deviation (MAD)	3
Skewness	3.0339972
Sum	2637
Variance	16889.836
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=20)

Value	Count	Frequency (%)
0	22	36.1%
10	2	3.3%
4	2	3.3%
270	2	3.3%
80	2	3.3%
71	1	1.6%
3	1	1.6%
500	1	1.6%
616	1	1.6%
110	1	1.6%
Other values (10)	10	16.4%
(Missing)	16	26.2%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	22	36.1%
3	1	1.6%
4	2	3.3%
6	1	1.6%
8	1	1.6%
9	1	1.6%
10	2	3.3%
12	1	1.6%
20	1	1.6%
32	1	1.6%

Value	Count	Frequency (%)
616	1	1.6%
500	1	1.6%
270	2	3.3%
250	1	1.6%
137	1	1.6%
110	1	1.6%
80	2	3.3%
75	1	1.6%
71	1	1.6%
60	1	1.6%

Phik (φk)
Auto

Heatmap
Table

	댐이름	하천	형식	높이(미터)	길이(미터)	정상표고(EL_미터)	체적(천미터세제곱)	유역면적(킬로미터제곱)	연간용수공급량(백만미터세제곱)	저수면적(킬로미터제곱)	계획홍수위(EL_미터)	상시만수위(EL_미터)	홍수기제한수위(EL_미터)	월류정표고(EL_미터)	저수위(EL_미터)	사업시작일	사업종료일	총저수용량(백만미터세제곱)	유효저수용량(백만미터세제곱)	홍수조절용량(백만미터세제곱)
댐이름	1.000	1.000	1.000	1.000	1.000	1.000	1.000	1.000	1.000	1.000	1.000	1.000	1.000	1.000	1.000	1.000	1.000	1.000	1.000	1.000
하천	1.000	1.000	0.809	0.663	0.000	0.000	0.000	0.000	0.000	0.000	0.188	0.000	0.000	0.000	0.000	0.990	0.980	0.000	0.000	0.000
형식	1.000	0.809	1.000	0.235	0.000	0.000	0.000	0.519	0.000	0.000	0.620	0.000	0.000	0.000	0.000	0.956	0.925	0.000	0.000	0.000
높이(미터)	1.000	0.663	0.235	1.000	0.639	0.334	0.682	0.605	0.656	0.467	0.334	0.000	0.000	0.000	0.000	0.000	0.000	0.717	0.519	0.549
길이(미터)	1.000	0.000	0.000	0.639	1.000	0.049	0.623	0.724	0.524	0.331	0.000	0.000	0.000	0.000	0.000	0.407	0.952	0.635	0.329	0.333
정상표고(EL_미터)	1.000	0.000	0.000	0.334	0.049	1.000	0.000	0.000	0.000	0.000	1.000	0.997	0.998	0.991	0.976	0.000	0.000	0.000	0.162	0.319
체적(천미터세제곱)	1.000	0.000	0.000	0.682	0.623	0.000	1.000	0.697	0.687	0.654	0.000	0.000	0.000	0.000	0.361	0.000	0.000	0.695	0.704	0.677
유역면적(킬로미터제곱)	1.000	0.000	0.519	0.605	0.724	0.000	0.697	1.000	0.900	0.857	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.432	0.562	0.771
연간용수공급량(백만미터세제곱)	1.000	0.000	0.000	0.656	0.524	0.000	0.687	0.900	1.000	0.951	0.000	0.000	0.229	0.000	0.000	0.000	0.000	0.972	0.884	0.961
저수면적(킬로미터제곱)	1.000	0.000	0.000	0.467	0.331	0.000	0.654	0.857	0.951	1.000	0.000	0.000	0.534	0.000	0.342	0.000	0.000	0.881	0.974	0.889
계획홍수위(EL_미터)	1.000	0.188	0.620	0.334	0.000	1.000	0.000	0.000	0.000	0.000	1.000	0.997	0.998	0.991	0.976	0.763	0.834	0.318	0.162	0.319
상시만수위(EL_미터)	1.000	0.000	0.000	0.000	0.000	0.997	0.000	0.000	0.000	0.000	0.997	1.000	1.000	0.990	0.974	0.000	0.539	0.000	0.123	0.341
홍수기제한수위(EL_미터)	1.000	0.000	0.000	0.000	0.000	0.998	0.000	0.000	0.229	0.534	0.998	1.000	1.000	0.998	0.976	0.000	0.000	0.516	0.385	0.459
월류정표고(EL_미터)	1.000	0.000	0.000	0.000	0.000	0.991	0.000	0.000	0.000	0.000	0.991	0.990	0.998	1.000	0.985	0.000	0.000	0.000	0.245	0.622
저수위(EL_미터)	1.000	0.000	0.000	0.000	0.000	0.976	0.361	0.000	0.000	0.342	0.976	0.974	0.976	0.985	1.000	0.000	0.000	0.367	0.559	0.824
사업시작일	1.000	0.990	0.956	0.000	0.407	0.000	0.000	0.000	0.000	0.000	0.763	0.000	0.000	0.000	0.000	1.000	0.993	0.572	0.000	0.546
사업종료일	1.000	0.980	0.925	0.000	0.952	0.000	0.000	0.000	0.000	0.000	0.834	0.539	0.000	0.000	0.000	0.993	1.000	0.000	0.000	0.000
총저수용량(백만미터세제곱)	1.000	0.000	0.000	0.717	0.635	0.000	0.695	0.432	0.972	0.881	0.318	0.000	0.516	0.000	0.367	0.572	0.000	1.000	0.942	0.887
유효저수용량(백만미터세제곱)	1.000	0.000	0.000	0.519	0.329	0.162	0.704	0.562	0.884	0.974	0.162	0.123	0.385	0.245	0.559	0.000	0.000	0.942	1.000	0.877
홍수조절용량(백만미터세제곱)	1.000	0.000	0.000	0.549	0.333	0.319	0.677	0.771	0.961	0.889	0.319	0.341	0.459	0.622	0.824	0.546	0.000	0.887	0.877	1.000

Heatmap
Table

	높이(미터)	길이(미터)	정상표고(EL_미터)	체적(천미터세제곱)	유역면적(킬로미터제곱)	연간용수공급량(백만미터세제곱)	저수면적(킬로미터제곱)	계획홍수위(EL_미터)	상시만수위(EL_미터)	홍수기제한수위(EL_미터)	월류정표고(EL_미터)	저수위(EL_미터)	총저수용량(백만미터세제곱)	유효저수용량(백만미터세제곱)	홍수조절용량(백만미터세제곱)	형식
높이(미터)	1.000	0.483	0.651	0.723	0.612	0.590	0.571	0.647	0.431	0.392	0.588	0.504	0.738	0.688	0.639	0.113
길이(미터)	0.483	1.000	0.203	0.675	0.561	0.452	0.435	0.037	0.088	0.048	0.196	0.217	0.598	0.484	0.556	0.000
정상표고(EL_미터)	0.651	0.203	1.000	0.398	0.339	0.360	0.336	0.999	0.836	0.791	0.976	0.974	0.445	0.423	0.350	0.000
체적(천미터세제곱)	0.723	0.675	0.398	1.000	0.697	0.697	0.631	0.396	0.323	0.364	0.434	0.361	0.747	0.555	0.474	0.000
유역면적(킬로미터제곱)	0.612	0.561	0.339	0.697	1.000	0.726	0.764	-0.354	0.238	0.286	0.358	0.346	0.479	0.684	0.710	0.276
연간용수공급량(백만미터세제곱)	0.590	0.452	0.360	0.697	0.726	1.000	0.939	0.359	0.569	0.682	0.480	0.414	0.785	0.778	0.665	0.000
저수면적(킬로미터제곱)	0.571	0.435	0.336	0.631	0.764	0.939	1.000	0.331	0.481	0.563	0.380	0.313	0.784	0.895	0.759	0.000
계획홍수위(EL_미터)	0.647	0.037	0.999	0.396	-0.354	0.359	0.331	1.000	0.842	0.802	0.977	0.975	0.380	0.420	0.347	0.263
상시만수위(EL_미터)	0.431	0.088	0.836	0.323	0.238	0.569	0.481	0.842	1.000	0.998	0.915	0.872	0.320	0.445	0.298	0.000
홍수기제한수위(EL_미터)	0.392	0.048	0.791	0.364	0.286	0.682	0.563	0.802	0.998	1.000	0.877	0.844	0.338	0.487	0.329	0.000
월류정표고(EL_미터)	0.588	0.196	0.976	0.434	0.358	0.480	0.380	0.977	0.915	0.877	1.000	0.974	0.434	0.375	0.270	0.000
저수위(EL_미터)	0.504	0.217	0.974	0.361	0.346	0.414	0.313	0.975	0.872	0.844	0.974	1.000	0.430	0.335	0.267	0.000
총저수용량(백만미터세제곱)	0.738	0.598	0.445	0.747	0.479	0.785	0.784	0.380	0.320	0.338	0.434	0.430	1.000	0.803	0.772	0.000
유효저수용량(백만미터세제곱)	0.688	0.484	0.423	0.555	0.684	0.778	0.895	0.420	0.445	0.487	0.375	0.335	0.803	1.000	0.873	0.000
홍수조절용량(백만미터세제곱)	0.639	0.556	0.350	0.474	0.710	0.665	0.759	0.347	0.298	0.329	0.270	0.267	0.772	0.873	1.000	0.000
형식	0.113	0.000	0.000	0.000	0.276	0.000	0.000	0.263	0.000	0.000	0.000	0.000	0.000	0.000	0.000	1.000

A simple visualization of nullity by column.

Nullity matrix is a data-dense display which lets you quickly visually pick out patterns in data completion.

The correlation heatmap measures nullity correlation: how strongly the presence or absence of one variable affects the presence of another.

First rows
Last rows

	댐이름	하천	형식	높이(미터)	길이(미터)	정상표고(EL_미터)	체적(천미터세제곱)	유역면적(킬로미터제곱)	연간용수공급량(백만미터세제곱)	저수면적(킬로미터제곱)	계획홍수위(EL_미터)	상시만수위(EL_미터)	홍수기제한수위(EL_미터)	월류정표고(EL_미터)	저수위(EL_미터)	사업시작일	사업종료일	총저수용량(백만미터세제곱)	유효저수용량(백만미터세제곱)	홍수조절용량(백만미터세제곱)
0	낙동강하굿둑	낙동강	C.G_E.C.R.D	18.7	2230.0	9.2	2206	23560	750	<NA>	3.7	<NA>	<NA>	<NA>	<NA>	1983-09-01	1990-06-01	297	0	0
1	주암(조)	이사천	E.C.R.D	99.9	562.6	115.0	4965	135	219	7.8	111.1	108.5	108.5	108.5	60.0	1984-09-01	1992-12-01	250	210	20
2	횡성	섬강	E.C.R.D	48.5	205.0	184.0	675	209	120	5.8	180.0	180.0	178.2	167.0	160.0	1990-01-01	2002-11-01	87	73	10
3	주암(본)	보성강	E.C.R.D	58.0	330.0	115.0	1573	1010	270	33.0	110.5	108.5	<NA>	98.5	85.0	1984-09-01	1992-12-01	457	352	60
4	부안	직소천	C.F.R.D	50.0	282.0	49.0	614	59	35	3.0	43.8	41.2	41.2	41.2	23.0	1990-02-01	1996-12-01	50	36	9
5	군남	임진강	C.G.D	26.0	658.0	45.0	177	4191	0	3.0	40.0	31.0	23.0	31.0	23.0	2005-11-01	2013-12-01	72	71	71
6	군위	위천	C.F.R.D	45.0	390.0	208.4	877	88	38	2.7	205.1	204.0	<NA>	197.2	181.0	2000-01-01	2012-12-01	49	40	3
7	소양강	북한강	E.C.R.D	123.0	530.0	203.0	9591	2703	1213	70.0	198.0	193.5	190.3	185.5	150.0	1967-04-01	1973-12-01	2900	1900	500
8	충주	남한강	C.G.D	97.5	447.0	147.5	902	6648	3380	97.0	145.0	141.0	138.0	126.0	110.0	1978-06-01	1986-10-01	2750	1789	616
9	평화의댐(3단계)	북한강	C.F.R.D	125.0	601.0	270.0	7905	3208	0	0.0	264.6	0.0	0.0	160.0	160.0	2012-06-01	2018-12-01	2630	0	0

	댐이름	하천	형식	높이(미터)	길이(미터)	정상표고(EL_미터)	체적(천미터세제곱)	유역면적(킬로미터제곱)	연간용수공급량(백만미터세제곱)	저수면적(킬로미터제곱)	계획홍수위(EL_미터)	상시만수위(EL_미터)	홍수기제한수위(EL_미터)	월류정표고(EL_미터)	저수위(EL_미터)	사업시작일	사업종료일	총저수용량(백만미터세제곱)	유효저수용량(백만미터세제곱)	홍수조절용량(백만미터세제곱)
51	합천창녕보	낙동강	C.G.W	<NA>	328.0	<NA>	<NA>	15074	<NA>	<NA>	18.6	<NA>	<NA>	<NA>	<NA>	2009-11-01	2013-01-01	70	<NA>	<NA>
52	창녕함안보	낙동강	C.G.W	<NA>	549.0	<NA>	<NA>	20697	<NA>	<NA>	13.7	<NA>	<NA>	<NA>	<NA>	2009-11-01	2012-10-01	101	<NA>	<NA>
53	강천보	한강	C.G.W	<NA>	440.0	<NA>	<NA>	10972	<NA>	<NA>	45.1	<NA>	<NA>	<NA>	<NA>	2009-11-01	2012-10-01	9	<NA>	<NA>
54	여주보	한강	C.G.W	<NA>	513.0	<NA>	<NA>	11115	<NA>	<NA>	39.6	<NA>	<NA>	<NA>	<NA>	2009-11-01	2012-10-01	11	<NA>	<NA>
55	이포보	한강	C.G.W	<NA>	521.0	<NA>	<NA>	11803	<NA>	<NA>	36.2	<NA>	<NA>	<NA>	<NA>	2009-11-01	2012-10-01	14	<NA>	<NA>
56	세종보	금강	C.G.W	<NA>	348.0	<NA>	<NA>	6942	<NA>	<NA>	23.5	<NA>	<NA>	<NA>	<NA>	2009-05-01	2012-06-01	6	<NA>	<NA>
57	공주보	금강	C.G.W	<NA>	280.0	<NA>	<NA>	7408	<NA>	<NA>	17.6	<NA>	<NA>	<NA>	<NA>	2009-11-01	2012-10-01	16	<NA>	<NA>
58	백제보	금강	C.G.W	<NA>	311.0	<NA>	<NA>	7976	<NA>	<NA>	13.1	<NA>	<NA>	<NA>	<NA>	2009-11-01	2012-10-01	24	<NA>	<NA>
59	승촌보	영산강	C.G.W	<NA>	512.0	<NA>	<NA>	1327	<NA>	<NA>	11.6	<NA>	<NA>	<NA>	<NA>	2009-10-01	2012-10-01	9	<NA>	<NA>
60	죽산보	영산강	C.G.W	<NA>	184.0	<NA>	<NA>	2359	<NA>	<NA>	7.1	<NA>	<NA>	<NA>	<NA>	2009-11-01	2012-10-01	26	<NA>	<NA>

Overview

Variables

Most occurring characters

Most occurring categories

Most frequent character per category

Other Letter

Open Punctuation

Close Punctuation

Decimal Number

Most occurring scripts

Most frequent character per script

Hangul

Common

Most occurring blocks

Most frequent character per block

Hangul

ASCII

Most occurring characters

Most occurring categories

Most frequent character per category

Other Letter

Decimal Number

Most occurring scripts

Most frequent character per script

Hangul

Common

Most occurring blocks

Most frequent character per block

Hangul

ASCII

Common Values

Length

Common Values (Plot)

Interactions

Correlations

Missing values

Sample