Thank you so very much!
> From: [EMAIL PROTECTED] > To: numpy-discussion@scipy.org > Date: Mon, 29 Sep 2008 23:24:02 -0400 > Subject: Re: [Numpy-discussion] Numpy Nu-bee: "forward fill" function > > On Monday 29 September 2008 22:31:47 Joshua Ford wrote: > > I would like to conduct the equivalent of a "forward fill" function on an > > array, that repeats the last non-null value until the next non-null value > > is reached. I saw that the scipy TimeSeries has a "forward_fill" > > function: > > > > http://pytseries.sourceforge.net/lib/interpolation.html > > > > I would like to do exactly what the TimeSeries "forward_fill" function does > > - but I don't have a time series. > > Which is quite OK, because you don't need a time series, a simple MaskedArray > will do. For your example > > >>> import numpy.ma as ma > >>> import scikits.timeseries.lib as tl > >>> a= ma.masked_values(([1,2,3,4,5,6,-999,-999,-999,-999,7,8], -999) > >>> a > masked_array(data = [1 2 3 4 5 6 -- -- -- -- 7 8], > mask = [False False False False False False True True True True > False False], > fill_value=-999) > >>> tl.forward_fill(tl) > masked_array(data = [1 2 3 4 5 6 6 6 6 6 7 8], > mask = [False False False False False False False False False False > False False], > fill_value=-999) > > _______________________________________________ > Numpy-discussion mailing list > Numpy-discussion@scipy.org > http://projects.scipy.org/mailman/listinfo/numpy-discussion
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