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Describe your issue. I have a time series of non-negative data values (which may include zero values). When I use interp1d with kind='linear', and pass a time value exactly equal to an input time ...
The last two 109. make sense but the first two 100. don't since there is no previous value.. I believe the result should be the intuitive [nan nan 105.108. 109. 109.] Issue reported on stackoverflow ...