gimi9 Pandas Profiling

Dataset statistics

Number of variables	17
Number of observations	10000
Missing cells	16831
Missing cells (%)	9.9%
Duplicate rows	0
Duplicate rows (%)	0.0%
Total size in memory	1.5 MiB
Average record size in memory	159.0 B

Variable types

Categorical	2
Text	1
Numeric	13
Unsupported	1

Dataset

Description	전국 연안 및 근해 정점 수질 상시측정을 통하여 향후 해양환경 상태 측정 및 변화를 예측·예보 할 수 있는 실시간 해양수질자료, 정제한 자료는 한달에 한번씩 meis.go.kr에서 갱신되며 해수일반(수온,염분등 6개), COD,TN,TP등의 자료를 5분 단위로 측정한 자료
Author	해양환경공단
URL	https://www.data.go.kr/data/15068983/fileData.do

Alerts

`정점명` has constant value ""	Constant
`정점코드` has constant value ""	Constant
`염분` is highly overall correlated with `수온` and 2 other fields	High correlation
`전기전도도` is highly overall correlated with `수온` and 1 other fields	High correlation
`수온` is highly overall correlated with `염분` and 2 other fields	High correlation
`용존산소` is highly overall correlated with `염분` and 4 other fields	High correlation
`클로로필` is highly overall correlated with `용존산소`	High correlation
`총질소` is highly overall correlated with `인산인`	High correlation
`총인` is highly overall correlated with `암모니아질소` and 1 other fields	High correlation
`암모니아질소` is highly overall correlated with `총인` and 1 other fields	High correlation
`인산인` is highly overall correlated with `염분` and 4 other fields	High correlation
`탁도` has 247 (2.5%) missing values	Missing
`클로로필` has 105 (1.1%) missing values	Missing
`남조류` has 10000 (100.0%) missing values	Missing
`화학적산소요구량` has 1046 (10.5%) missing values	Missing
`총질소` has 1283 (12.8%) missing values	Missing
`총인` has 594 (5.9%) missing values	Missing
`암모니아질소` has 1183 (11.8%) missing values	Missing
`질산질소` has 1504 (15.0%) missing values	Missing
`인산인` has 628 (6.3%) missing values	Missing
`측정일시` has unique values	Unique
`남조류` is an unsupported type, check if it needs cleaning or further analysis	Unsupported

Reproduction

Analysis started	2023-12-12 16:27:17.971839
Analysis finished	2023-12-12 16:27:43.366677
Duration	25.39 seconds
Software version	ydata-profiling vv4.5.1
Download configuration	config.json

정점명
Categorical

CONSTANT

Distinct	1
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	156.2 KiB

천수만	10000

Length

Max length	3
Median length	3
Mean length	3
Min length	3

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	천수만
2nd row	천수만
3rd row	천수만
4th row	천수만
5th row	천수만

Common Values

Value	Count	Frequency (%)
천수만	10000	100.0%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
천수만	10000	100.0%

정점코드
Categorical

CONSTANT

Distinct	1
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	156.2 KiB

111	10000

Length

Max length	3
Median length	3
Mean length	3
Min length	3

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	111
2nd row	111
3rd row	111
4th row	111
5th row	111

Common Values

Value	Count	Frequency (%)
111	10000	100.0%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
111	10000	100.0%

측정일시
Text

UNIQUE

Distinct	10000
Distinct (%)	100.0%
Missing	0
Missing (%)	0.0%
Memory size	156.2 KiB

Length

Max length	16
Median length	16
Mean length	16
Min length	16

Characters and Unicode

Total characters	160000
Distinct characters	13
Distinct categories	4 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

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

Unique

Unique	10000 ?
Unique (%)	100.0%

Sample

1st row	2022-02-23 01:55
2nd row	2022-10-05 18:00
3rd row	2022-11-20 11:30
4th row	2022-11-08 19:05
5th row	2022-07-09 04:00

Value	Count	Frequency (%)
22:20	55	0.3%
2022-04-24	52	0.3%
04:05	51	0.3%
16:50	51	0.3%
2022-05-11	50	0.2%
2022-11-29	49	0.2%
20:40	49	0.2%
2022-12-15	49	0.2%
2022-03-08	49	0.2%
2022-10-02	48	0.2%
Other values (552)	19497	97.5%

Most occurring characters

Value	Count	Frequency (%)
2	40882	25.6%
0	33571	21.0%
-	20000	12.5%
1	15749	9.8%
	10000	6.2%
:	10000	6.2%
5	9725	6.1%
3	5462	3.4%
4	4619	2.9%
7	2963	1.9%
Other values (3)	7029	4.4%

Most occurring categories

Value	Count	Frequency (%)
Decimal Number	120000	75.0%
Dash Punctuation	20000	12.5%
Space Separator	10000	6.2%
Other Punctuation	10000	6.2%

Most frequent character per category

Decimal Number

Value	Count	Frequency (%)
2	40882	34.1%
0	33571	28.0%
1	15749	13.1%
5	9725	8.1%
3	5462	4.6%
4	4619	3.8%
7	2963	2.5%
6	2869	2.4%
9	2119	1.8%
8	2041	1.7%

Dash Punctuation

Value	Count	Frequency (%)
-	20000	100.0%

Space Separator

Value	Count	Frequency (%)
	10000	100.0%

Other Punctuation

Value	Count	Frequency (%)
:	10000	100.0%

Most occurring scripts

Value	Count	Frequency (%)
Common	160000	100.0%

Most frequent character per script

Common

Value	Count	Frequency (%)
2	40882	25.6%
0	33571	21.0%
-	20000	12.5%
1	15749	9.8%
	10000	6.2%
:	10000	6.2%
5	9725	6.1%
3	5462	3.4%
4	4619	2.9%
7	2963	1.9%
Other values (3)	7029	4.4%

Most occurring blocks

Value	Count	Frequency (%)
ASCII	160000	100.0%

Most frequent character per block

ASCII

Value	Count	Frequency (%)
2	40882	25.6%
0	33571	21.0%
-	20000	12.5%
1	15749	9.8%
	10000	6.2%
:	10000	6.2%
5	9725	6.1%
3	5462	3.4%
4	4619	2.9%
7	2963	1.9%
Other values (3)	7029	4.4%

염분
Real number (ℝ)

HIGH CORRELATION

Distinct	746
Distinct (%)	7.5%
Missing	25
Missing (%)	0.2%
Infinite	0
Infinite (%)	0.0%
Mean	29.351744

Minimum	15.84
Maximum	31.15
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	166.0 KiB

Quantile statistics

Minimum	15.84
5-th percentile	26.887
Q1	28.955
median	29.86
Q3	30.26
95-th percentile	30.62
Maximum	31.15
Range	15.31
Interquartile range (IQR)	1.305

Descriptive statistics

Standard deviation	1.6587489
Coefficient of variation (CV)	0.056512789
Kurtosis	19.661087
Mean	29.351744
Median Absolute Deviation (MAD)	0.51
Skewness	-3.7974227
Sum	292783.65
Variance	2.751448
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
30.27	106	1.1%
29.9	96	1.0%
30.43	94	0.9%
29.97	89	0.9%
30.28	87	0.9%
30.29	86	0.9%
30.02	85	0.9%
30.3	85	0.9%
30.01	82	0.8%
29.96	82	0.8%
Other values (736)	9083	90.8%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
15.84	1	< 0.1%
16.32	1	< 0.1%
16.78	1	< 0.1%
17.08	1	< 0.1%
17.13	1	< 0.1%
17.17	2	< 0.1%
17.19	2	< 0.1%
17.21	1	< 0.1%
17.22	1	< 0.1%
17.23	1	< 0.1%

Value	Count	Frequency (%)
31.15	1	< 0.1%
31.1	1	< 0.1%
31.09	1	< 0.1%
31.06	3	< 0.1%
31.05	5	0.1%
31.04	4	< 0.1%
31.03	3	< 0.1%
31.02	2	< 0.1%
31.01	4	< 0.1%
31.0	6	0.1%

전기전도도
Real number (ℝ)

HIGH CORRELATION

Distinct	1611
Distinct (%)	16.2%
Missing	25
Missing (%)	0.2%
Infinite	0
Infinite (%)	0.0%
Mean	41.357753

Minimum	27.94
Maximum	50.86
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	166.0 KiB

Quantile statistics

Minimum	27.94
5-th percentile	34.5
Q1	37.495
median	42.81
Q3	44.89
95-th percentile	47.17
Maximum	50.86
Range	22.92
Interquartile range (IQR)	7.395

Descriptive statistics

Standard deviation	4.3698046
Coefficient of variation (CV)	0.10565866
Kurtosis	-1.0712282
Mean	41.357753
Median Absolute Deviation (MAD)	3.53
Skewness	-0.37772249
Sum	412543.59
Variance	19.095192
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
44.72	24	0.2%
44.23	22	0.2%
43.18	20	0.2%
44.67	20	0.2%
43.06	20	0.2%
42.83	20	0.2%
45.85	19	0.2%
43.65	19	0.2%
42.71	19	0.2%
46.08	19	0.2%
Other values (1601)	9773	97.7%
(Missing)	25	0.2%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
27.94	1	< 0.1%
28.58	1	< 0.1%
29.55	1	< 0.1%
29.71	1	< 0.1%
29.72	3	< 0.1%
29.73	1	< 0.1%
29.74	2	< 0.1%
29.75	2	< 0.1%
29.76	2	< 0.1%
29.79	2	< 0.1%

Value	Count	Frequency (%)
50.86	1	< 0.1%
49.82	1	< 0.1%
49.19	1	< 0.1%
48.71	1	< 0.1%
48.68	1	< 0.1%
48.57	1	< 0.1%
48.49	1	< 0.1%
48.48	1	< 0.1%
48.44	1	< 0.1%
48.43	1	< 0.1%

수온
Real number (ℝ)

HIGH CORRELATION

Distinct	1915
Distinct (%)	19.2%
Missing	25
Missing (%)	0.2%
Infinite	0
Infinite (%)	0.0%
Mean	14.543266

Minimum	1.66
Maximum	26.43
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	166.0 KiB

Quantile statistics

Minimum	1.66
5-th percentile	6.85
Q1	9.75
median	15.22
Q3	19.51
95-th percentile	21.84
Maximum	26.43
Range	24.77
Interquartile range (IQR)	9.76

Descriptive statistics

Standard deviation	5.3384748
Coefficient of variation (CV)	0.36707537
Kurtosis	-1.2751848
Mean	14.543266
Median Absolute Deviation (MAD)	4.92
Skewness	-0.082706587
Sum	145069.08
Variance	28.499313
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
7.14	27	0.3%
7.37	24	0.2%
20.82	23	0.2%
7.33	22	0.2%
7.18	21	0.2%
7.41	21	0.2%
21.21	20	0.2%
7.36	20	0.2%
7.42	20	0.2%
7.17	20	0.2%
Other values (1905)	9757	97.6%
(Missing)	25	0.2%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
1.66	1	< 0.1%
1.76	1	< 0.1%
1.77	2	< 0.1%
1.78	1	< 0.1%
1.86	1	< 0.1%
1.89	1	< 0.1%
1.95	1	< 0.1%
1.98	2	< 0.1%
2.1	1	< 0.1%
2.2	1	< 0.1%

Value	Count	Frequency (%)
26.43	1	< 0.1%
26.41	1	< 0.1%
26.39	1	< 0.1%
26.37	1	< 0.1%
26.35	1	< 0.1%
26.34	1	< 0.1%
26.32	1	< 0.1%
26.26	1	< 0.1%
26.17	1	< 0.1%
26.05	1	< 0.1%

수소이온농도
Real number (ℝ)

Distinct	91
Distinct (%)	0.9%
Missing	80
Missing (%)	0.8%
Infinite	0
Infinite (%)	0.0%
Mean	8.3935202

Minimum	7.76
Maximum	8.68
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	166.0 KiB

Quantile statistics

Minimum	7.76
5-th percentile	8.13
Q1	8.29
median	8.41
Q3	8.52
95-th percentile	8.57
Maximum	8.68
Range	0.92
Interquartile range (IQR)	0.23

Descriptive statistics

Standard deviation	0.14291807
Coefficient of variation (CV)	0.017027191
Kurtosis	0.19321939
Mean	8.3935202
Median Absolute Deviation (MAD)	0.11
Skewness	-0.70588086
Sum	83263.72
Variance	0.020425575
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
8.54	523	5.2%
8.55	507	5.1%
8.56	405	4.0%
8.52	378	3.8%
8.53	354	3.5%
8.51	339	3.4%
8.27	303	3.0%
8.5	262	2.6%
8.31	259	2.6%
8.29	257	2.6%
Other values (81)	6333	63.3%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
7.76	1	< 0.1%
7.77	1	< 0.1%
7.79	3	< 0.1%
7.8	1	< 0.1%
7.81	2	< 0.1%
7.82	1	< 0.1%
7.83	5	0.1%
7.84	2	< 0.1%
7.85	3	< 0.1%
7.86	4	< 0.1%

Value	Count	Frequency (%)
8.68	1	< 0.1%
8.67	3	< 0.1%
8.66	2	< 0.1%
8.65	6	0.1%
8.64	8	0.1%
8.63	8	0.1%
8.62	26	0.3%
8.61	27	0.3%
8.6	50	0.5%
8.59	59	0.6%

용존산소
Real number (ℝ)

HIGH CORRELATION

Distinct	987
Distinct (%)	10.0%
Missing	86
Missing (%)	0.9%
Infinite	0
Infinite (%)	0.0%
Mean	10.320907

Minimum	0.89
Maximum	15.1
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	166.0 KiB

Quantile statistics

Minimum	0.89
5-th percentile	6.78
Q1	8.72
median	10.04
Q3	12.36
95-th percentile	14
Maximum	15.1
Range	14.21
Interquartile range (IQR)	3.64

Descriptive statistics

Standard deviation	2.296271
Coefficient of variation (CV)	0.22248733
Kurtosis	-0.43204251
Mean	10.320907
Median Absolute Deviation (MAD)	1.76
Skewness	-0.067933029
Sum	102321.47
Variance	5.2728604
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
10.06	31	0.3%
9.75	31	0.3%
9.76	31	0.3%
9.7	30	0.3%
9.99	30	0.3%
8.73	30	0.3%
9.94	29	0.3%
12.42	29	0.3%
10.03	28	0.3%
8.98	27	0.3%
Other values (977)	9618	96.2%
(Missing)	86	0.9%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.89	1	< 0.1%
0.91	2	< 0.1%
0.92	1	< 0.1%
0.95	1	< 0.1%
0.96	1	< 0.1%
1.07	1	< 0.1%
1.12	1	< 0.1%
1.16	1	< 0.1%
1.17	1	< 0.1%
1.3	1	< 0.1%

Value	Count	Frequency (%)
15.1	1	< 0.1%
15.05	1	< 0.1%
15.02	1	< 0.1%
15.01	1	< 0.1%
14.93	1	< 0.1%
14.92	3	< 0.1%
14.9	2	< 0.1%
14.89	1	< 0.1%
14.88	1	< 0.1%
14.87	2	< 0.1%

탁도
Real number (ℝ)

MISSING

Distinct	2906
Distinct (%)	29.8%
Missing	247
Missing (%)	2.5%
Infinite	0
Infinite (%)	0.0%
Mean	13.093753

Minimum	1.73
Maximum	198.79
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	166.0 KiB

Quantile statistics

Minimum	1.73
5-th percentile	3.86
Q1	5.54
median	8.29
Q3	16.05
95-th percentile	36.258
Maximum	198.79
Range	197.06
Interquartile range (IQR)	10.51

Descriptive statistics

Standard deviation	13.215771
Coefficient of variation (CV)	1.0093188
Kurtosis	25.977008
Mean	13.093753
Median Absolute Deviation (MAD)	3.5
Skewness	3.8796131
Sum	127703.37
Variance	174.65659
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
4.52	22	0.2%
4.64	21	0.2%
5.47	20	0.2%
4.8	19	0.2%
4.76	19	0.2%
5.27	19	0.2%
4.83	19	0.2%
4.58	19	0.2%
6.15	19	0.2%
5.12	18	0.2%
Other values (2896)	9558	95.6%
(Missing)	247	2.5%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
1.73	1	< 0.1%
1.9	1	< 0.1%
2.12	1	< 0.1%
2.14	1	< 0.1%
2.22	1	< 0.1%
2.25	1	< 0.1%
2.26	1	< 0.1%
2.3	1	< 0.1%
2.31	1	< 0.1%
2.36	1	< 0.1%

Value	Count	Frequency (%)
198.79	1	< 0.1%
179.39	1	< 0.1%
176.83	1	< 0.1%
175.5	1	< 0.1%
146.91	1	< 0.1%
145.02	1	< 0.1%
141.15	1	< 0.1%
134.8	1	< 0.1%
133.5	1	< 0.1%
132.97	1	< 0.1%

클로로필
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	1459
Distinct (%)	14.7%
Missing	105
Missing (%)	1.1%
Infinite	0
Infinite (%)	0.0%
Mean	6.1881455

Minimum	1.66
Maximum	49.57
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	166.0 KiB

Quantile statistics

Minimum	1.66
5-th percentile	2.37
Q1	3.52
median	5.17
Q3	7.64
95-th percentile	13.2
Maximum	49.57
Range	47.91
Interquartile range (IQR)	4.12

Descriptive statistics

Standard deviation	3.6983081
Coefficient of variation (CV)	0.597644
Kurtosis	7.0851658
Mean	6.1881455
Median Absolute Deviation (MAD)	1.87
Skewness	1.9212901
Sum	61231.7
Variance	13.677482
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
3.01	29	0.3%
3.1	28	0.3%
3.31	27	0.3%
2.99	27	0.3%
3.49	27	0.3%
3.2	27	0.3%
2.67	26	0.3%
3.32	26	0.3%
3.46	25	0.2%
4.2	25	0.2%
Other values (1449)	9628	96.3%
(Missing)	105	1.1%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
1.66	1	< 0.1%
1.79	1	< 0.1%
1.8	1	< 0.1%
1.82	4	< 0.1%
1.84	1	< 0.1%
1.85	1	< 0.1%
1.86	2	< 0.1%
1.87	2	< 0.1%
1.88	1	< 0.1%
1.9	3	< 0.1%

Value	Count	Frequency (%)
49.57	1	< 0.1%
41.74	1	< 0.1%
38.09	1	< 0.1%
34.81	1	< 0.1%
33.96	1	< 0.1%
32.05	1	< 0.1%
31.05	1	< 0.1%
27.95	1	< 0.1%
27.42	1	< 0.1%
27.15	1	< 0.1%

남조류
Unsupported

MISSING REJECTED UNSUPPORTED

Missing	10000
Missing (%)	100.0%
Memory size	166.0 KiB

화학적산소요구량
Real number (ℝ)

MISSING

Distinct	805
Distinct (%)	9.0%
Missing	1046
Missing (%)	10.5%
Infinite	0
Infinite (%)	0.0%
Mean	4.0297766

Minimum	0.01
Maximum	14.84
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	166.0 KiB

Quantile statistics

Minimum	0.01
5-th percentile	1.93
Q1	2.91
median	3.77
Q3	4.57
95-th percentile	7.4
Maximum	14.84
Range	14.83
Interquartile range (IQR)	1.66

Descriptive statistics

Standard deviation	1.7636048
Coefficient of variation (CV)	0.43764332
Kurtosis	4.4602707
Mean	4.0297766
Median Absolute Deviation (MAD)	0.84
Skewness	1.6069418
Sum	36082.62
Variance	3.1103019
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
3.0	76	0.8%
4.02	55	0.5%
3.41	53	0.5%
3.99	52	0.5%
4.18	52	0.5%
3.93	50	0.5%
3.92	47	0.5%
2.9	46	0.5%
3.94	46	0.5%
3.97	43	0.4%
Other values (795)	8434	84.3%
(Missing)	1046	10.5%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.01	2	< 0.1%
0.04	6	0.1%
0.05	2	< 0.1%
0.08	2	< 0.1%
0.14	2	< 0.1%
0.21	3	< 0.1%
0.22	1	< 0.1%
0.28	1	< 0.1%
0.34	1	< 0.1%
0.39	3	< 0.1%

Value	Count	Frequency (%)
14.84	3	< 0.1%
14.8	3	< 0.1%
14.67	2	< 0.1%
13.99	2	< 0.1%
13.94	2	< 0.1%
13.65	1	< 0.1%
13.58	2	< 0.1%
13.26	2	< 0.1%
13.08	2	< 0.1%
12.8	1	< 0.1%

총질소
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	811
Distinct (%)	9.3%
Missing	1283
Missing (%)	12.8%
Infinite	0
Infinite (%)	0.0%
Mean	0.25405151

Minimum	0.003
Maximum	3.194
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	166.0 KiB

Quantile statistics

Minimum	0.003
5-th percentile	0.047
Q1	0.109
median	0.176
Q3	0.305
95-th percentile	0.722
Maximum	3.194
Range	3.191
Interquartile range (IQR)	0.196

Descriptive statistics

Standard deviation	0.24942947
Coefficient of variation (CV)	0.98180668
Kurtosis	18.84128
Mean	0.25405151
Median Absolute Deviation (MAD)	0.08
Skewness	3.3515744
Sum	2214.567
Variance	0.06221506
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0.111	67	0.7%
0.109	64	0.6%
0.152	54	0.5%
0.099	53	0.5%
0.129	52	0.5%
0.095	50	0.5%
0.102	50	0.5%
0.216	48	0.5%
0.105	48	0.5%
0.107	48	0.5%
Other values (801)	8183	81.8%
(Missing)	1283	12.8%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.003	1	< 0.1%
0.005	2	< 0.1%
0.007	1	< 0.1%
0.009	2	< 0.1%
0.01	4	< 0.1%
0.011	2	< 0.1%
0.012	5	0.1%
0.013	4	< 0.1%
0.014	5	0.1%
0.015	2	< 0.1%

Value	Count	Frequency (%)
3.194	1	< 0.1%
2.931	2	< 0.1%
2.711	2	< 0.1%
2.525	2	< 0.1%
2.459	4	< 0.1%
2.221	1	< 0.1%
2.123	1	< 0.1%
1.992	1	< 0.1%
1.983	2	< 0.1%
1.909	1	< 0.1%

총인
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	168
Distinct (%)	1.8%
Missing	594
Missing (%)	5.9%
Infinite	0
Infinite (%)	0.0%
Mean	0.027850734

Minimum	0.001
Maximum	0.431
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	166.0 KiB

Quantile statistics

Minimum	0.001
5-th percentile	0.009
Q1	0.013
median	0.021
Q3	0.03
95-th percentile	0.072
Maximum	0.431
Range	0.43
Interquartile range (IQR)	0.017

Descriptive statistics

Standard deviation	0.028038764
Coefficient of variation (CV)	1.0067514
Kurtosis	44.08614
Mean	0.027850734
Median Absolute Deviation (MAD)	0.008
Skewness	5.2340667
Sum	261.964
Variance	0.00078617229
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0.012	532	5.3%
0.011	477	4.8%
0.013	445	4.5%
0.021	424	4.2%
0.01	383	3.8%
0.014	373	3.7%
0.015	360	3.6%
0.023	334	3.3%
0.02	328	3.3%
0.018	308	3.1%
Other values (158)	5442	54.4%
(Missing)	594	5.9%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.001	27	0.3%
0.002	16	0.2%
0.003	9	0.1%
0.004	30	0.3%
0.005	22	0.2%
0.006	33	0.3%
0.007	69	0.7%
0.008	140	1.4%
0.009	208	2.1%
0.01	383	3.8%

Value	Count	Frequency (%)
0.431	2	< 0.1%
0.384	3	< 0.1%
0.362	2	< 0.1%
0.353	1	< 0.1%
0.346	1	< 0.1%
0.312	3	< 0.1%
0.303	2	< 0.1%
0.299	1	< 0.1%
0.293	1	< 0.1%
0.278	3	< 0.1%

암모니아질소
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	310
Distinct (%)	3.5%
Missing	1183
Missing (%)	11.8%
Infinite	0
Infinite (%)	0.0%
Mean	0.054026993

Minimum	0
Maximum	2.129
Zeros	13
Zeros (%)	0.1%
Negative	0
Negative (%)	0.0%
Memory size	166.0 KiB

Quantile statistics

Minimum	0
5-th percentile	0.006
Q1	0.017
median	0.031
Q3	0.053
95-th percentile	0.165
Maximum	2.129
Range	2.129
Interquartile range (IQR)	0.036

Descriptive statistics

Standard deviation	0.10079203
Coefficient of variation (CV)	1.8655865
Kurtosis	107.23322
Mean	0.054026993
Median Absolute Deviation (MAD)	0.016
Skewness	8.5952794
Sum	476.356
Variance	0.010159034
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0.017	206	2.1%
0.015	202	2.0%
0.018	196	2.0%
0.02	188	1.9%
0.019	187	1.9%
0.028	187	1.9%
0.013	182	1.8%
0.011	177	1.8%
0.025	177	1.8%
0.014	173	1.7%
Other values (300)	6942	69.4%
(Missing)	1183	11.8%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.0	13	0.1%
0.001	52	0.5%
0.002	63	0.6%
0.003	63	0.6%
0.004	97	1.0%
0.005	102	1.0%
0.006	95	0.9%
0.007	105	1.1%
0.008	150	1.5%
0.009	146	1.5%

Value	Count	Frequency (%)
2.129	1	< 0.1%
1.954	2	< 0.1%
1.683	2	< 0.1%
1.415	1	< 0.1%
1.328	1	< 0.1%
1.308	2	< 0.1%
1.174	1	< 0.1%
1.166	2	< 0.1%
1.141	1	< 0.1%
1.062	1	< 0.1%

질산질소
Real number (ℝ)

MISSING

Distinct	141
Distinct (%)	1.7%
Missing	1504
Missing (%)	15.0%
Infinite	0
Infinite (%)	0.0%
Mean	0.016315913

Minimum	0
Maximum	0.273
Zeros	25
Zeros (%)	0.2%
Negative	0
Negative (%)	0.0%
Memory size	166.0 KiB

Quantile statistics

Minimum	0
5-th percentile	0.00175
Q1	0.005
median	0.01
Q3	0.018
95-th percentile	0.055
Maximum	0.273
Range	0.273
Interquartile range (IQR)	0.013

Descriptive statistics

Standard deviation	0.02258428
Coefficient of variation (CV)	1.3841873
Kurtosis	33.330957
Mean	0.016315913
Median Absolute Deviation (MAD)	0.006
Skewness	4.7551352
Sum	138.62
Variance	0.00051004969
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0.006	524	5.2%
0.003	492	4.9%
0.002	470	4.7%
0.011	447	4.5%
0.005	445	4.5%
0.004	435	4.3%
0.01	427	4.3%
0.012	412	4.1%
0.001	400	4.0%
0.007	396	4.0%
Other values (131)	4048	40.5%
(Missing)	1504	15.0%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.0	25	0.2%
0.001	400	4.0%
0.002	470	4.7%
0.003	492	4.9%
0.004	435	4.3%
0.005	445	4.5%
0.006	524	5.2%
0.007	396	4.0%
0.008	349	3.5%
0.009	364	3.6%

Value	Count	Frequency (%)
0.273	3	< 0.1%
0.272	2	< 0.1%
0.267	3	< 0.1%
0.236	1	< 0.1%
0.226	2	< 0.1%
0.214	3	< 0.1%
0.205	1	< 0.1%
0.204	3	< 0.1%
0.201	1	< 0.1%
0.195	2	< 0.1%

인산인
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	140
Distinct (%)	1.5%
Missing	628
Missing (%)	6.3%
Infinite	0
Infinite (%)	0.0%
Mean	0.019150448

Minimum	0.001
Maximum	0.336
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	166.0 KiB

Quantile statistics

Minimum	0.001
5-th percentile	0.003
Q1	0.009
median	0.015
Q3	0.022
95-th percentile	0.048
Maximum	0.336
Range	0.335
Interquartile range (IQR)	0.013

Descriptive statistics

Standard deviation	0.021395698
Coefficient of variation (CV)	1.1172427
Kurtosis	58.406322
Mean	0.019150448
Median Absolute Deviation (MAD)	0.007
Skewness	6.0134029
Sum	179.478
Variance	0.00045777589
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0.011	463	4.6%
0.01	446	4.5%
0.014	407	4.1%
0.012	394	3.9%
0.007	384	3.8%
0.015	372	3.7%
0.006	369	3.7%
0.009	365	3.6%
0.013	338	3.4%
0.019	338	3.4%
Other values (130)	5496	55.0%
(Missing)	628	6.3%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.001	146	1.5%
0.002	141	1.4%
0.003	263	2.6%
0.004	305	3.0%
0.005	306	3.1%
0.006	369	3.7%
0.007	384	3.8%
0.008	317	3.2%
0.009	365	3.6%
0.01	446	4.5%

Value	Count	Frequency (%)
0.336	3	< 0.1%
0.326	2	< 0.1%
0.31	1	< 0.1%
0.287	2	< 0.1%
0.282	1	< 0.1%
0.28	1	< 0.1%
0.273	1	< 0.1%
0.258	1	< 0.1%
0.249	2	< 0.1%
0.228	2	< 0.1%

Phik (φk)
Auto

Heatmap
Table

	염분	전기전도도	수온	수소이온농도	용존산소	탁도	클로로필	화학적산소요구량	총질소	총인	암모니아질소	질산질소	인산인
염분	1.000	0.742	0.750	0.478	0.654	0.104	0.348	0.332	0.584	0.398	0.517	0.532	0.241
전기전도도	0.742	1.000	0.943	0.630	0.788	0.204	0.505	0.485	0.380	0.328	0.168	0.426	0.307
수온	0.750	0.943	1.000	0.684	0.806	0.285	0.473	0.554	0.529	0.450	0.432	0.455	0.320
수소이온농도	0.478	0.630	0.684	1.000	0.652	0.262	0.273	0.519	0.290	0.351	0.133	0.258	0.229
용존산소	0.654	0.788	0.806	0.652	1.000	0.270	0.546	0.368	0.324	0.299	0.241	0.260	0.224
탁도	0.104	0.204	0.285	0.262	0.270	1.000	0.536	0.333	0.055	0.495	0.132	0.669	0.515
클로로필	0.348	0.505	0.473	0.273	0.546	0.536	1.000	0.322	0.183	0.654	0.082	0.500	0.446
화학적산소요구량	0.332	0.485	0.554	0.519	0.368	0.333	0.322	1.000	0.156	0.431	0.164	0.385	0.446
총질소	0.584	0.380	0.529	0.290	0.324	0.055	0.183	0.156	1.000	0.383	0.878	0.382	0.348
총인	0.398	0.328	0.450	0.351	0.299	0.495	0.654	0.431	0.383	1.000	0.443	0.572	0.900
암모니아질소	0.517	0.168	0.432	0.133	0.241	0.132	0.082	0.164	0.878	0.443	1.000	0.396	0.237
질산질소	0.532	0.426	0.455	0.258	0.260	0.669	0.500	0.385	0.382	0.572	0.396	1.000	0.444
인산인	0.241	0.307	0.320	0.229	0.224	0.515	0.446	0.446	0.348	0.900	0.237	0.444	1.000

Heatmap
Table

	염분	전기전도도	수온	수소이온농도	용존산소	탁도	클로로필	화학적산소요구량	총질소	총인	암모니아질소	질산질소	인산인
염분	1.000	-0.490	-0.718	0.195	0.687	-0.205	0.266	-0.153	-0.321	-0.463	-0.457	-0.093	-0.527
전기전도도	-0.490	1.000	0.882	-0.105	-0.756	0.173	-0.358	0.284	0.076	0.206	0.334	-0.116	0.371
수온	-0.718	0.882	1.000	-0.159	-0.851	0.225	-0.324	0.303	0.150	0.321	0.465	-0.013	0.473
수소이온농도	0.195	-0.105	-0.159	1.000	0.065	-0.224	-0.338	-0.164	0.073	-0.209	-0.297	-0.116	-0.102
용존산소	0.687	-0.756	-0.851	0.065	1.000	-0.255	0.513	-0.180	-0.346	-0.355	-0.402	0.034	-0.582
탁도	-0.205	0.173	0.225	-0.224	-0.255	1.000	0.296	0.289	0.080	0.272	0.360	0.208	0.291
클로로필	0.266	-0.358	-0.324	-0.338	0.513	0.296	1.000	0.130	-0.371	-0.026	0.076	0.276	-0.301
화학적산소요구량	-0.153	0.284	0.303	-0.164	-0.180	0.289	0.130	1.000	-0.157	-0.126	0.103	0.060	-0.110
총질소	-0.321	0.076	0.150	0.073	-0.346	0.080	-0.371	-0.157	1.000	0.417	0.291	0.043	0.505
총인	-0.463	0.206	0.321	-0.209	-0.355	0.272	-0.026	-0.126	0.417	1.000	0.588	0.293	0.838
암모니아질소	-0.457	0.334	0.465	-0.297	-0.402	0.360	0.076	0.103	0.291	0.588	1.000	0.273	0.598
질산질소	-0.093	-0.116	-0.013	-0.116	0.034	0.208	0.276	0.060	0.043	0.293	0.273	1.000	0.133
인산인	-0.527	0.371	0.473	-0.102	-0.582	0.291	-0.301	-0.110	0.505	0.838	0.598	0.133	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

	정점명	정점코드	측정일시	염분	전기전도도	수온	수소이온농도	용존산소	탁도	클로로필	남조류	화학적산소요구량	총질소	총인	암모니아질소	질산질소	인산인
3187	천수만	111	2022-02-23 01:55	30.09	34.51	6.52	8.28	13.68	18.9	8.23	<NA>	2.81	0.16	0.016	<NA>	<NA>	0.009
53034	천수만	111	2022-10-05 18:00	28.82	46.29	20.5	8.42	6.85	33.64	3.87	<NA>	3.95	0.255	0.03	0.034	0.008	0.03
66180	천수만	111	2022-11-20 11:30	29.49	42.64	13.5	8.55	9.05	11.78	2.79	<NA>	2.9	0.511	0.018	0.029	<NA>	0.018
62815	천수만	111	2022-11-08 19:05	29.97	43.2	15.18	8.53	9.46	9.01	2.69	<NA>	3.89	0.3	0.029	<NA>	0.006	0.028
41528	천수만	111	2022-07-09 04:00	28.67	46.53	20.96	8.31	8.91	12.77	5.21	<NA>	3.86	0.131	0.025	0.078	0.003	0.023
61807	천수만	111	2022-11-05 07:05	28.73	41.55	14.58	8.52	9.18	6.64	2.4	<NA>	3.99	0.244	0.02	0.011	0.001	0.018
52252	천수만	111	2022-10-03 00:50	29.3	47.68	21.18	8.44	7.33	25.31	3.6	<NA>	5.85	0.151	0.012	0.016	0.006	0.012
39219	천수만	111	2022-07-01 03:35	28.63	45.92	20.4	8.08	8.36	21.0	3.88	<NA>	<NA>	0.346	0.043	<NA>	0.005	0.033
69334	천수만	111	2022-12-01 10:20	29.79	37.47	10.05	8.58	11.36	8.58	9.11	<NA>	0.79	0.137	0.053	<NA>	0.023	0.051
77969	천수만	111	2022-12-31 09:55	28.38	30.94	4.47	8.32	13.05	71.44	8.33	<NA>	1.17	0.297	0.16	0.109	0.034	0.127

	정점명	정점코드	측정일시	염분	전기전도도	수온	수소이온농도	용존산소	탁도	클로로필	남조류	화학적산소요구량	총질소	총인	암모니아질소	질산질소	인산인
51362	천수만	111	2022-09-29 22:40	26.77	43.91	21.15	8.42	6.83	19.27	3.68	<NA>	6.28	0.09	0.02	0.024	0.012	0.017
73036	천수만	111	2022-12-14 06:50	30.69	34.65	6.0	8.48	10.81	31.19	5.03	<NA>	3.03	0.418	0.035	0.029	0.018	0.034
27958	천수만	111	2022-05-19 03:45	30.16	43.64	15.95	8.28	10.2	18.21	5.1	<NA>	3.68	0.14	0.012	0.05	0.014	0.012
46964	천수만	111	2022-07-28 04:05	27.87	45.75	21.37	8.34	7.21	<NA>	<NA>	<NA>	<NA>	0.237	0.043	0.191	0.014	0.02
10166	천수만	111	2022-03-18 07:50	30.14	35.86	7.91	8.32	13.43	7.91	12.05	<NA>	3.41	0.076	0.011	0.018	0.005	0.004
22469	천수만	111	2022-04-30 01:25	30.51	41.0	12.84	8.49	11.37	4.08	5.74	<NA>	6.71	0.083	0.008	<NA>	0.004	0.007
50974	천수만	111	2022-09-28 14:20	29.4	48.06	21.42	8.48	7.51	19.87	3.88	<NA>	6.88	0.125	0.007	0.006	0.011	0.006
60285	천수만	111	2022-10-31 00:15	29.65	43.46	16.44	8.55	8.73	13.88	3.78	<NA>	2.7	0.114	0.022	0.024	0.025	0.017
64279	천수만	111	2022-11-13 21:05	28.84	41.68	15.09	8.47	9.3	4.63	2.74	<NA>	4.04	0.532	0.016	0.021	0.002	0.016
17179	천수만	111	2022-04-11 16:35	30.44	38.32	10.16	8.58	13.07	10.25	9.29	<NA>	3.56	0.104	0.014	0.004	0.003	0.005

Overview

Variables

Common Values

Length

Common Values (Plot)

Common Values

Length

Common Values (Plot)

Most occurring characters

Most occurring categories

Most frequent character per category

Decimal Number

Dash Punctuation

Space Separator

Other Punctuation

Most occurring scripts

Most frequent character per script

Common

Most occurring blocks

Most frequent character per block

ASCII

Interactions

Correlations

Missing values

Sample