I have DataFrame in Python Pandas like below:
day_of_week| sales
-----------|------
4 | 140
6 | 500
3 | 234
... | ...
Create histogram of sales depending on day of week. To be hones I do not understand how to make such a histogram and how to interpret the results because I don't understand what it is supposed to represent ?
Suppose the DataFrame looks like this. You can draw a bar plot to visualize the sales for each day.
days_of_week=[1,2,3,4,6,7,5]
sales_per_day = [140,43,23,45,67,89,700]
df=pd.DataFrame({"days_of_week":days_of_week,"sales_per_day":sales_per_day})
# Added red trend line
plt.figure(figsize=(10,5))
plt.bar(df.days_of_week,df.sales_per_day)
plt.plot(df.days_of_week,df.sales_per_day,color="red")
plt.show()