How to create a unstacked bar plot with dates in X axis?

Asked Aug 09 '19 at 10:38

Active Aug 09 '19 at 12:05

Viewed 96 times

I'm trying to create an unstacked bar plot.

I had a lot of problems to extract the dates from the data frame to be able using the with major_locator, DayLocator, etc.

Important: Date start type is datetime64[ns]

I tried many options to unstack the bars but I wasn't able to fix it.

fig, ax = plt.subplots(1,1, figsize=(15,8))
fig.suptitle('ICP: Time standing', fontsize=25, fontweight='bold')

date_listdate_list = df[df['Container'] == 1]['Date start'].tolist()


ax.bar(date_list,df[df['Container'] == 1]['Aluminum (Al)\nppb'],width = 0.1)
ax.bar(date_list,df[df['Container'] == 1]['Barium (Ba)\nppb'],width = 0.1)


myFmtx = DateFormatter("%d/%m")
ax.xaxis.set_major_locator(mdates.DayLocator(interval=1))
ax.xaxis.set_major_formatter(myFmtx)
fig.autofmt_xdate()

output Graph

Dataframe

edited Aug 09 '19 at 12:05

asked Aug 09 '19 at 10:38

Offir Inbar

when you say "unstacked bar plot", do you expect both bars to be side by side? Right now the bars are not stacked, they simply overlap one another. – Diziet Asahi Aug 09 '19 at 11:55
Also, Please provide mockup data, in particular check out [How to make good reproducible pandas examples](https://stackoverflow.com/questions/20109391/how-to-make-good-reproducible-pandas-examples) – Diziet Asahi Aug 09 '19 at 11:55
Yes, I expect the bars to be side by side. – Offir Inbar Aug 09 '19 at 12:02
@DizietAsahi do you have an idea what to do? – Offir Inbar Aug 11 '19 at 04:50
Please refer to the link in my previous comment and provide a toy dataset that is not an image – Diziet Asahi Aug 11 '19 at 05:22

How to create a unstacked bar plot with dates in X axis?

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