Assign pandas dataframe column dtypes

Question

I want to set the dtypes of multiple columns in pd.Dataframe (I have a file that I\'ve had to manually parse into a list of lists, as the file was

Answer 1

For those coming from Google (etc.) such as myself:

convert_objects has been deprecated since 0.17 - if you use it, you get a warning like this one:

FutureWarning: convert_objects is deprecated.  Use the data-type specific converters 
pd.to_datetime, pd.to_timedelta and pd.to_numeric.

You should do something like the following:

• df =df.astype(np.float)
• df["A"] =pd.to_numeric(df["A"])