Questions tagged [transformation]
The transformation tag has no usage guidance.
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Find the best data transformation, automatically, before looking for the best algorithm
Imagine a binary classification problem with 10 features. We draw a scatter plot for each pair of features and we color by class. In the end, our observation didn't show any clear separation between ...
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24 views
Are we allowed to transform the continuous target variable by creating a log transformation in order to have a normal distribution?
The following code gives the target variable Item_Outlet_Sales before transformation and Item_Outlet_Sales_log which is transformed
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17 views
Condense matrix of values into one column?
I have a dataset where I have unnecessarily duplicated column variables that I want to condense down. I wish the output wasn't so clumsy and I've already had to do some work to transform it and make ...
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40 views
why do we need re-scaling ? Is it necessary for all types of data including interval and frequencies
Re-scaling seems to have become a fashionable technique. The methods have propped up to deal with several types of data. Moreover,it is applied without much of context. Should we use it for only ...
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1answer
26 views
Anonymize continuous variable for masking purposes
I am about to kick off a large hackathon event.
We have a dataset that is comprised of one continuous variable with high precision, and a number of categorical variables qualifying these data 3-levels ...
