Bar Chart :
A bar chart or bar graph is a chart or graph that presents categorical data with rectangular bars with heights or lengths proportional to the values that they represent. The bars can be plotted vertically or horizontally.
- The following is a function you can use to plot a bar chart :
def bar_plot(var, xlabel, ylabel, title):
df[var].value_counts().plot(kind = 'bar', figsize = (15, 10))
plt.xlabel(xlabel)
plt.ylabel(ylabel)
plt.title(title)
- using the function to plot the value_counts of a variable named "Cost_Center"
bar_plot('Cost_Center', 'Cost Center', 'No of items demanded', 'No of items demanded by each department')
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