Overview

Dataset statistics

Number of variables3
Number of observations25
Missing cells0
Missing cells (%)0.0%
Duplicate rows0
Duplicate rows (%)0.0%
Total size in memory757.0 B
Average record size in memory30.3 B

Variable types

Numeric1
Text1
DateTime1

Dataset

Description실시간수질정보시스템을 통해서 공지한 내역을 제목 및 기재일로 구분하여 표시한 내역입니다. 이용에 참고하시기 바랍니다.
Author환경부 국립환경과학원
URLhttps://www.data.go.kr/data/15086271/fileData.do

Alerts

순번 has unique valuesUnique

Reproduction

Analysis started2023-12-12 15:16:27.963311
Analysis finished2023-12-12 15:16:28.332094
Duration0.37 seconds
Software versionydata-profiling vv4.5.1
Download configurationconfig.json

Variables

순번
Real number (ℝ)

UNIQUE 

Distinct25
Distinct (%)100.0%
Missing0
Missing (%)0.0%
Infinite0
Infinite (%)0.0%
Mean13
Minimum1
Maximum25
Zeros0
Zeros (%)0.0%
Negative0
Negative (%)0.0%
Memory size357.0 B
2023-12-13T00:16:28.427187image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/

Quantile statistics

Minimum1
5-th percentile2.2
Q17
median13
Q319
95-th percentile23.8
Maximum25
Range24
Interquartile range (IQR)12

Descriptive statistics

Standard deviation7.3598007
Coefficient of variation (CV)0.56613852
Kurtosis-1.2
Mean13
Median Absolute Deviation (MAD)6
Skewness0
Sum325
Variance54.166667
MonotonicityStrictly increasing
2023-12-13T00:16:28.608969image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
Histogram with fixed size bins (bins=25)
ValueCountFrequency (%)
1 1
 
4.0%
2 1
 
4.0%
25 1
 
4.0%
24 1
 
4.0%
23 1
 
4.0%
22 1
 
4.0%
21 1
 
4.0%
20 1
 
4.0%
19 1
 
4.0%
18 1
 
4.0%
Other values (15) 15
60.0%
ValueCountFrequency (%)
1 1
4.0%
2 1
4.0%
3 1
4.0%
4 1
4.0%
5 1
4.0%
6 1
4.0%
7 1
4.0%
8 1
4.0%
9 1
4.0%
10 1
4.0%
ValueCountFrequency (%)
25 1
4.0%
24 1
4.0%
23 1
4.0%
22 1
4.0%
21 1
4.0%
20 1
4.0%
19 1
4.0%
18 1
4.0%
17 1
4.0%
16 1
4.0%
Distinct23
Distinct (%)92.0%
Missing0
Missing (%)0.0%
Memory size332.0 B
2023-12-13T00:16:28.841031image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/

Length

Max length29
Median length22
Mean length16.92
Min length8

Characters and Unicode

Total characters423
Distinct characters89
Distinct categories7 ?
Distinct scripts3 ?
Distinct blocks3 ?
The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique21 ?
Unique (%)84.0%

Sample

1st row결빙으로 인한 측정소 일시 운전정지 알림
2nd row신규측정소 추가
3rd row상동측정소 자료 수정 공지
4th row여주측정소 자료 수정 공지
5th row해평측정소 자료 수정 공지
ValueCountFrequency (%)
공지 18
 
15.5%
수정 13
 
11.2%
자료 10
 
8.6%
측정소 7
 
6.0%
측정자료 6
 
5.2%
알림 4
 
3.4%
일시 3
 
2.6%
변경 3
 
2.6%
일부 3
 
2.6%
추가 2
 
1.7%
Other values (40) 47
40.5%
2023-12-13T00:16:29.182596image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/

Most occurring characters

ValueCountFrequency (%)
91
21.5%
41
 
9.7%
23
 
5.4%
20
 
4.7%
19
 
4.5%
18
 
4.3%
18
 
4.3%
17
 
4.0%
12
 
2.8%
9
 
2.1%
Other values (79) 155
36.6%

Most occurring categories

ValueCountFrequency (%)
Other Letter 325
76.8%
Space Separator 91
 
21.5%
Dash Punctuation 2
 
0.5%
Lowercase Letter 2
 
0.5%
Open Punctuation 1
 
0.2%
Close Punctuation 1
 
0.2%
Other Punctuation 1
 
0.2%

Most frequent character per category

Other Letter
ValueCountFrequency (%)
41
 
12.6%
23
 
7.1%
20
 
6.2%
19
 
5.8%
18
 
5.5%
18
 
5.5%
17
 
5.2%
12
 
3.7%
9
 
2.8%
8
 
2.5%
Other values (73) 140
43.1%
Space Separator
ValueCountFrequency (%)
91
100.0%
Dash Punctuation
ValueCountFrequency (%)
- 2
100.0%
Lowercase Letter
ValueCountFrequency (%)
a 2
100.0%
Open Punctuation
ValueCountFrequency (%)
( 1
100.0%
Close Punctuation
ValueCountFrequency (%)
) 1
100.0%
Other Punctuation
ValueCountFrequency (%)
· 1
100.0%

Most occurring scripts

ValueCountFrequency (%)
Hangul 325
76.8%
Common 96
 
22.7%
Latin 2
 
0.5%

Most frequent character per script

Hangul
ValueCountFrequency (%)
41
 
12.6%
23
 
7.1%
20
 
6.2%
19
 
5.8%
18
 
5.5%
18
 
5.5%
17
 
5.2%
12
 
3.7%
9
 
2.8%
8
 
2.5%
Other values (73) 140
43.1%
Common
ValueCountFrequency (%)
91
94.8%
- 2
 
2.1%
( 1
 
1.0%
) 1
 
1.0%
· 1
 
1.0%
Latin
ValueCountFrequency (%)
a 2
100.0%

Most occurring blocks

ValueCountFrequency (%)
Hangul 325
76.8%
ASCII 97
 
22.9%
None 1
 
0.2%

Most frequent character per block

ASCII
ValueCountFrequency (%)
91
93.8%
- 2
 
2.1%
a 2
 
2.1%
( 1
 
1.0%
) 1
 
1.0%
Hangul
ValueCountFrequency (%)
41
 
12.6%
23
 
7.1%
20
 
6.2%
19
 
5.8%
18
 
5.5%
18
 
5.5%
17
 
5.2%
12
 
3.7%
9
 
2.8%
8
 
2.5%
Other values (73) 140
43.1%
None
ValueCountFrequency (%)
· 1
100.0%
Distinct24
Distinct (%)96.0%
Missing0
Missing (%)0.0%
Memory size332.0 B
Minimum2013-01-09 00:00:00
Maximum2021-06-28 00:00:00
2023-12-13T00:16:29.314848image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
2023-12-13T00:16:29.444751image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
Histogram with fixed size bins (bins=24)

Interactions

2023-12-13T00:16:28.100988image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/

Correlations

2023-12-13T00:16:29.571727image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
순번게시글 명작성일
순번1.0000.8201.000
게시글 명0.8201.0000.977
작성일1.0000.9771.000

Missing values

2023-12-13T00:16:28.223330image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
A simple visualization of nullity by column.
2023-12-13T00:16:28.299549image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
Nullity matrix is a data-dense display which lets you quickly visually pick out patterns in data completion.

Sample

순번게시글 명작성일
01결빙으로 인한 측정소 일시 운전정지 알림2013-01-09
12신규측정소 추가2013-04-01
23상동측정소 자료 수정 공지2013-06-26
34여주측정소 자료 수정 공지2013-07-26
45해평측정소 자료 수정 공지2013-08-19
56낙동강수계 일부 측정소 자료 수정 공지2013-09-03
67한강수계 일부 측정소 자료 수정 공지2013-09-03
78한탄강측정소 자료 수정 공지2013-10-29
89부여 측정소 자료 수정 공지2013-10-30
910한강수계 일부 측정소 자료 수정 공지2014-04-17
순번게시글 명작성일
1516웹서비스 일시 중지 알림2017-05-11
1617확정자료 조회 메뉴 일시중지 알림2017-06-16
1718자료 조회 메뉴 일시 중지 알림(정정 공지)2017-09-20
1819측정망 운영현황 정보 제공2018-12-18
1920측정소 상태정보 알림 기능 추가2019-08-16
2021실시간수질정보시스템 홈페이지 만족도 조사 당첨자 발표2019-12-27
2122클로로필-a 측정자료 수정 공지2020-03-06
2223감천 측정소 측정항목 변경 공지2020-04-06
2324한강 측정자료 수정 공지2021-01-13
2425실시간수질정보시스템 사이트 통합·이전 사전 공지2021-06-28