Add detrend function #188
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Add detrend function #188
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added 2 commits
October 22, 2024 09:31
mhasself
previously approved these changes
Jan 14, 2025
mhasself
approved these changes
Jan 17, 2025
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This branch adds a detrend function that duplicates the functionality in sotodlib's detrend_tod function for 1D or 2D arrays (sotodlib supports higher dimensions, but I haven't reproduced that here for now). It has mean, median (using GSL median which is much faster than a std::sort approach), and linear detrending along the rows of an array.
This is primarily intended to be used in an upcoming Welch PSD function but is also standalone, so the underlying function can be run sequentially and called within a parallel loop inside another function (more efficient for the Welch PSD calculation).