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Performing EDA on a dataset with missing features
There are a lot of techniques through which you can fill the missing values. Some of them are:
1.) Replacing with mean, median or mode as you correctly pointed out.
2.) Replacing with a constant value ...
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how to deal with columns that has different value in only 1 or 2 rows?
In other words, you have sparse binary features. A vast majority of the data is zeros. The remaining data are ones.
One option is to transform the features to be denser. This can be done with ...
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