Histogram per hour - matplotlib

Question

I\'m analyzing public data on transport accidents in the UK.

My dataframe looks like this :

Index     Time

0         02:30
1         00:37
2                 


        

Answer 1

What you are missing is setting the format of the matplotlib x-axis format:

df.set_index('hour', drop=False, inplace=True)
df = df['hour'].groupby(pd.Grouper(freq='60Min')).count()
ax = df.plot(kind='bar', color='b')
ticklabels = df.index.strftime('%H:%Mh')
ax.xaxis.set_major_formatter(matplotlib.ticker.FixedFormatter(ticklabels))
plt.show()