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what is the difference between 'transform' and 'fit_transform' in sklearn

...already computed PCA, i.e. if you have already called its .fit method. In [12]: pc2 = RandomizedPCA(n_components=3) In [13]: pc2.transform(X) # can't transform because it does not know how to do it. --------------------------------------------------------------------------- AttributeError ...
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Is there a math nCr function in python? [duplicate]

... 217 The following program calculates nCr in an efficient manner (compared to calculating factorials...
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Bash array with spaces in elements

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Cannot import XSSF in Apache POI

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Unicode (UTF-8) reading and writing to files in Python

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How to know which version of Symfony I have?

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Converting an int to std::string

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Limit labels number on Chart.js line chart

... 152 Try adding the options.scales.xAxes.ticks.maxTicksLimit option: xAxes: [{ type: 'time', ...
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How to open a Bootstrap modal window using jQuery?

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Unzip All Files In A Directory

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