Data
beijing-pm2.5

beijing-pm2.5

active ARFF CC-BY Visibility: public Uploaded 19-05-2021 by Meilina Reksoprodjo
0 likes downloaded by 0 people , 0 total downloads 0 issues 0 downvotes
Issue #Downvotes for this reason By


Loading wiki
Help us complete this description Edit
This hourly data set contains the PM2.5 data of US Embassy in Beijing. Meanwhile, meteorological data from Beijing Capital International Airport are also included.

13 features

Nonumeric43824 unique values
0 missing
yearnumeric5 unique values
0 missing
monthnumeric12 unique values
0 missing
daynumeric31 unique values
0 missing
hournumeric24 unique values
0 missing
pm2.5numeric581 unique values
2067 missing
DEWPnumeric69 unique values
0 missing
TEMPnumeric64 unique values
0 missing
PRESnumeric60 unique values
0 missing
cbwdstring4 unique values
0 missing
Iwsnumeric2788 unique values
0 missing
Isnumeric28 unique values
0 missing
Irnumeric37 unique values
0 missing

19 properties

43824
Number of instances (rows) of the dataset.
13
Number of attributes (columns) of the dataset.
Number of distinct values of the target attribute (if it is nominal).
2067
Number of missing values in the dataset.
2067
Number of instances with at least one value missing.
12
Number of numeric attributes.
0
Number of nominal attributes.
4.72
Percentage of instances having missing values.
Average class difference between consecutive instances.
0.36
Percentage of missing values.
0
Number of attributes divided by the number of instances.
92.31
Percentage of numeric attributes.
Percentage of instances belonging to the most frequent class.
0
Percentage of nominal attributes.
Number of instances belonging to the most frequent class.
Percentage of instances belonging to the least frequent class.
Number of instances belonging to the least frequent class.
0
Number of binary attributes.
0
Percentage of binary attributes.

0 tasks

Define a new task