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                        The describe() method shows a summary of the numerical attributes (Figure 2-7).
Summary of each numerical attribute
Another quick way to get a feel of the type of data you are dealing with is to plot a histogram for each numerical attribute.
You can either plot this one attribute at a time, or you can call the hist() method on the whole dataset, and it will plot  a  histogram  for  each  numerical  attribute  (see  Figure 2-8).
A histogram for each numerical attribute
 
                        
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