Python Pandas data frame with column value as a dictionary

Question

I have a dataframe DF in the following format, first row is the column name

name   val1    val2
 A      1       2
 B      3       4

How to convert to the following data frame format

name    map
 A      {val1:1,val2:2}
 B      {val1:3,val2:4}

Answer 1

您可以使用to_dict()方法来实现。

x['map']=x[['val1','val2']].to_dict(orient='records')