Intro to Data Science : Problem Set 3

Free trial終わった $180/monthくらいだった気がするから途中だけど終了にする

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Intro to Data Science Online Course - Udacity

Visualizing Subway Data

ggplot

DATA Analytics: Project 4

stat='bar' の警告

    dataTW = turnstile_weather
    entries_DayOfMonth = dataTW[['DATEn', 'ENTRIESn_hourly']].groupby('DATEn', as_index=False).sum()
    entries_DayOfMonth['Day'] = [datetime.strptime(x, '%Y-%m-%d').strftime('%w %A') 
                                 
    for x in entries_DayOfMonth['DATEn']]
    entries_Day = entries_DayOfMonth[['Day', 'ENTRIESn_hourly']].groupby('Day', as_index=False).sum()
    plot = ggplot(entries_Day, aes(x='Day', y='ENTRIESn_hourly')) + geom_bar(aes(weight='ENTRIESn_hourly'), stat='bar', fill='red') \
           + ggtitle('NYC Subway ridership / day of week') + xlab('Day') + ylab('Entries')
    return plot

    plot = ggplot(turnstile_weather,aes('DATEn','ENTRIESn_hourly'))+geom_bar(colour="blue", stat="bar")+ggtitle('NYC Subway Data Analysis')+xlab('Day')+ylab('ENTRIESn_hourly')
    return plot

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理解度が足りない
慣れよう

30m