Hello!
I'm working with some data arrays which have 'NaN's somewhere inside
them. So I have a couple of questions on how to deal with such arrays.
First, how does the 'mean()' function treats the 'NaN' values in the
lists passed to it? Should it just ignore them and calculate the
average value of all the rest "sane" values or return 'NaN' for all the
list?
Is 'NaN' a valid value for float number in Sage?
What is a way to work correctly with such lists containing 'NaN's
when one needs to calculate the mean value, to plot the data etc. ?
Thank you.
Vladimir
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<v...@ukr.net>
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