I am still in the process of transitioning my brain from brainscript to Python. In brainscript, I used the Transform node the most and took advantage of the "where" functionality to restrict the output based on some calculation. Today, I find myself setting up the calculation in a Transform node, outputting a "flag" column, and then filtering out the un-wanted output in a Filter node based on that "flag". It seems not very efficient so I wanted to reach out and ask if there is a better way to program the "where" using Python into the Transform node.
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