python dataframe既有文字又有数字,列数很多,对数字进行处理,比如最后一列/100,或者所有数字列都/100.
import pandas as pd
d={
'name':['a','n','c','d','e','f'],
# 'Gender':['male','female','male','male','female','female'],
'age':[23,24,24,22,21,20],
'hight':[173,174,164,172,161,160],
'weight1':[53,74,44,62,71,60],
'weight2':[53,64,54,66,81,50]
}
df=pd.DataFrame(d)
df.set_index('name')
print(df)
import pandas as pd
import numpy
d={
'name':['a','n','c','d','e','f'],
# 'Gender':['male','female','male','male','female','female'],
'age':[23,24,24,22,21,20],
'hight':[173,174,164,172,161,160],
'weight1':[53,74,44,62,71,60],
'weight2':[53,64,54,66,81,50]
}
df=pd.DataFrame(d)
df.set_index('name')
print(df)
for i in df:
if type(df[i][0])==numpy.int64:
for j in range(len(df[i])):
df[i][j] = df[i][j]/100
print(df)
for i in df.columns:
if df[i].dtype==np.int64:
df[i]/=100