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Normalization is a technique often applied as part of data preparation for machine learning. The goal of normalization is to change the values of numeric columns in the dataset to use a common scale, without distorting differences in the ranges of values or losing information.
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Scaling sparse data for PCA
Assuming you are doing feature scaling: method to limit the range of variables so that they can be compared on common grounds. I'm not sure about what you are looking here. If the matrix is small, you …