python - Pandas: Replacing column values in dataframe -


I am trying to change values ​​in a column of dataframe column ('female') only in 'female' and I have tried the following: 

  w ['female'] ['female'] = '1' [woman]] [ 'Male'] = '' 0 ''   
 but get exact copies of the previous results.  
 I would ideally like to get some output which looks like the lower loop element. / P> 
  if w ['female'] == 'female': w ['female'] = '1'; Else: w ['female'] = '0';   
 I have seen through the gotchas documentation () but it is not able to understand why nothing happens.  
 Any help would be appreciated.  
 
 
 
 If I think right, then you want something like this:  
 < Code> w ['female'] = w ['female']. Map ({'feminine': 1, 'male': 0})   
 (Here I change numbers in numbers instead of stars. You can convert  "1 " and " 0 ", if you really want, but I'm not sure why you want to do this.)  
 Your code is not working The reason for this is that someone is using  ['female']  on any column (second  'female'  in your  w ['female']] 'Female']  does not mean "selection of rows Where the value is 'female'. This means that select the rows where  index  is 'female', none of which can be in your dataframe.

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