Overview

Dataset statistics

Number of variables5
Number of observations50
Missing cells0
Missing cells (%)0.0%
Duplicate rows0
Duplicate rows (%)0.0%
Total size in memory2.1 KiB
Average record size in memory43.6 B

Variable types

Categorical5

Dataset

Description측정일시,시설명,굴뚝명,항목,측정값
Author서울특별시
URLhttps://data.seoul.go.kr/dataList/OA-1256/S/1/datasetView.do

Alerts

측정값 has constant value ""Constant
측정일시 is highly overall correlated with 시설명High correlation
시설명 is highly overall correlated with 측정일시High correlation

Reproduction

Analysis started2024-05-11 01:25:38.149062
Analysis finished2024-05-11 01:25:39.442860
Duration1.29 second
Software versionydata-profiling vv4.5.1
Download configurationconfig.json

Variables

측정일시
Categorical

HIGH CORRELATION 

Distinct2
Distinct (%)4.0%
Missing0
Missing (%)0.0%
Memory size532.0 B
202405110100
35 
202404101700
15 

Length

Max length12
Median length12
Mean length12
Min length12

Unique

Unique0 ?
Unique (%)0.0%

Sample

1st row202405110100
2nd row202405110100
3rd row202405110100
4th row202405110100
5th row202405110100

Common Values

ValueCountFrequency (%)
202405110100 35
70.0%
202404101700 15
30.0%

Length

2024-05-11T01:25:39.672448image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
Histogram of lengths of the category

Common Values (Plot)

2024-05-11T01:25:40.106774image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
ValueCountFrequency (%)
202405110100 35
70.0%
202404101700 15
30.0%

시설명
Categorical

HIGH CORRELATION 

Distinct4
Distinct (%)8.0%
Missing0
Missing (%)0.0%
Memory size532.0 B
마포자원회수시설
15 
강남자원회수시설
15 
노원자원회수시설
10 
양천자원회수시설
10 

Length

Max length8
Median length8
Mean length8
Min length8

Unique

Unique0 ?
Unique (%)0.0%

Sample

1st row노원자원회수시설
2nd row노원자원회수시설
3rd row노원자원회수시설
4th row노원자원회수시설
5th row노원자원회수시설

Common Values

ValueCountFrequency (%)
마포자원회수시설 15
30.0%
강남자원회수시설 15
30.0%
노원자원회수시설 10
20.0%
양천자원회수시설 10
20.0%

Length

2024-05-11T01:25:40.613537image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
Histogram of lengths of the category

Common Values (Plot)

2024-05-11T01:25:41.119276image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
ValueCountFrequency (%)
마포자원회수시설 15
30.0%
강남자원회수시설 15
30.0%
노원자원회수시설 10
20.0%
양천자원회수시설 10
20.0%

굴뚝명
Categorical

Distinct3
Distinct (%)6.0%
Missing0
Missing (%)0.0%
Memory size532.0 B
1호기(1번굴뚝)
20 
2호기(2번굴뚝)
20 
3호기(3번굴뚝)
10 

Length

Max length9
Median length9
Mean length9
Min length9

Unique

Unique0 ?
Unique (%)0.0%

Sample

1st row1호기(1번굴뚝)
2nd row1호기(1번굴뚝)
3rd row1호기(1번굴뚝)
4th row1호기(1번굴뚝)
5th row1호기(1번굴뚝)

Common Values

ValueCountFrequency (%)
1호기(1번굴뚝) 20
40.0%
2호기(2번굴뚝) 20
40.0%
3호기(3번굴뚝) 10
20.0%

Length

2024-05-11T01:25:41.660146image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
Histogram of lengths of the category

Common Values (Plot)

2024-05-11T01:25:42.049323image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
ValueCountFrequency (%)
1호기(1번굴뚝 20
40.0%
2호기(2번굴뚝 20
40.0%
3호기(3번굴뚝 10
20.0%

항목
Categorical

Distinct5
Distinct (%)10.0%
Missing0
Missing (%)0.0%
Memory size532.0 B
먼지(Dust)
10 
염화수소(HCl)
10 
일산화탄소(CO)
10 
질소산화물(NOx)
10 
황산화물(SOX)
10 

Length

Max length10
Median length9
Mean length9
Min length8

Unique

Unique0 ?
Unique (%)0.0%

Sample

1st row먼지(Dust)
2nd row염화수소(HCl)
3rd row일산화탄소(CO)
4th row질소산화물(NOx)
5th row황산화물(SOX)

Common Values

ValueCountFrequency (%)
먼지(Dust) 10
20.0%
염화수소(HCl) 10
20.0%
일산화탄소(CO) 10
20.0%
질소산화물(NOx) 10
20.0%
황산화물(SOX) 10
20.0%

Length

2024-05-11T01:25:42.526390image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
Histogram of lengths of the category

Common Values (Plot)

2024-05-11T01:25:42.930672image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
ValueCountFrequency (%)
먼지(dust 10
20.0%
염화수소(hcl 10
20.0%
일산화탄소(co 10
20.0%
질소산화물(nox 10
20.0%
황산화물(sox 10
20.0%

측정값
Categorical

CONSTANT 

Distinct1
Distinct (%)2.0%
Missing0
Missing (%)0.0%
Memory size532.0 B
운휴중
50 

Length

Max length3
Median length3
Mean length3
Min length3

Unique

Unique0 ?
Unique (%)0.0%

Sample

1st row운휴중
2nd row운휴중
3rd row운휴중
4th row운휴중
5th row운휴중

Common Values

ValueCountFrequency (%)
운휴중 50
100.0%

Length

2024-05-11T01:25:43.260085image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
Histogram of lengths of the category

Common Values (Plot)

2024-05-11T01:25:43.491113image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
ValueCountFrequency (%)
운휴중 50
100.0%

Correlations

2024-05-11T01:25:43.640984image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
측정일시시설명굴뚝명항목
측정일시1.0001.0000.0540.000
시설명1.0001.0000.1660.000
굴뚝명0.0540.1661.0000.000
항목0.0000.0000.0001.000
2024-05-11T01:25:43.970232image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
항목굴뚝명측정일시시설명
항목1.0000.0000.0000.000
굴뚝명0.0001.0000.0830.152
측정일시0.0000.0831.0000.979
시설명0.0000.1520.9791.000
2024-05-11T01:25:44.292697image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
측정일시시설명굴뚝명항목
측정일시1.0000.9790.0830.000
시설명0.9791.0000.1520.000
굴뚝명0.0830.1521.0000.000
항목0.0000.0000.0001.000

Missing values

2024-05-11T01:25:38.801626image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
A simple visualization of nullity by column.
2024-05-11T01:25:39.321877image/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

측정일시시설명굴뚝명항목측정값
0202405110100노원자원회수시설1호기(1번굴뚝)먼지(Dust)운휴중
1202405110100노원자원회수시설1호기(1번굴뚝)염화수소(HCl)운휴중
2202405110100노원자원회수시설1호기(1번굴뚝)일산화탄소(CO)운휴중
3202405110100노원자원회수시설1호기(1번굴뚝)질소산화물(NOx)운휴중
4202405110100노원자원회수시설1호기(1번굴뚝)황산화물(SOX)운휴중
5202405110100노원자원회수시설2호기(2번굴뚝)먼지(Dust)운휴중
6202405110100노원자원회수시설2호기(2번굴뚝)염화수소(HCl)운휴중
7202405110100노원자원회수시설2호기(2번굴뚝)일산화탄소(CO)운휴중
8202405110100노원자원회수시설2호기(2번굴뚝)질소산화물(NOx)운휴중
9202405110100노원자원회수시설2호기(2번굴뚝)황산화물(SOX)운휴중
측정일시시설명굴뚝명항목측정값
40202404101700강남자원회수시설2호기(2번굴뚝)먼지(Dust)운휴중
41202404101700강남자원회수시설2호기(2번굴뚝)염화수소(HCl)운휴중
42202404101700강남자원회수시설2호기(2번굴뚝)일산화탄소(CO)운휴중
43202404101700강남자원회수시설2호기(2번굴뚝)질소산화물(NOx)운휴중
44202404101700강남자원회수시설2호기(2번굴뚝)황산화물(SOX)운휴중
45202404101700강남자원회수시설3호기(3번굴뚝)먼지(Dust)운휴중
46202404101700강남자원회수시설3호기(3번굴뚝)염화수소(HCl)운휴중
47202404101700강남자원회수시설3호기(3번굴뚝)일산화탄소(CO)운휴중
48202404101700강남자원회수시설3호기(3번굴뚝)질소산화물(NOx)운휴중
49202404101700강남자원회수시설3호기(3번굴뚝)황산화물(SOX)운휴중