Month: February 2021

  • Converting Time to Seconds or Minutes for an Entire Python Dataframe / CSV Column

    Converting Time to Seconds or Minutes for an Entire Python Dataframe / CSV Column

    Quick example taking a string such as ’00:25:00′ (which is 25 minutes) and converting it to 1500 seconds (for example) for an entire Python Pandas dataframe column.

    First: Install required Python Packages

    
    
    import pandas as pd
    from csv import writer
    from csv import reader

    Second: Read a CSV into a Python Dataframe

    
    
    df = pd.read_csv(path_to_download_default_directory + '/test.csv')

    Third: Convert Time to Minutes

    On line 4, I converted the seconds into minutes by diving by 60.

    
    
    ### Convert entire 'timeColumn' to timedelta type..
    df['timeColumn'] = pd.to_timedelta(df['timeColumn'])
    ### Convert 'timeColumn' to minutes only.
    df['columnAsMinutes'] = df['timeColumn'].dt.total_seconds() / 60
    ### Drop the old table.
    df.drop('timeColumn', axis = 1, inplace = True)

    Finally: Save Output

    Let’s save our work.

    
    
    df.to_csv('newData.csv', index = False)

    Full Script

    The full script is as follows:

    Resources