2008/11/17 Timmie firstname.lastname@example.org:
what is the difference between ma.masked and ma.masked_array?
I don't know the answer to that question, but both appear to be some kind of alias for the MaskedArray class and not part of the API.
I am using this expression along with the scikit.timeseries:
=> but now, my series does not get masked.
Rather the selected values (left part of the '=') get set to 0.0.
But if I use
arr_masked = \ ma.masked_array(series, series[(series.years>2000)&(series.years<2010)])
the masked is applied sucessfully.
I think you should get the effect you want using masked_where
import numpy.ma as ma masked_series = ma.masked_where((series.years>2000) & (series.years<2010), series)
There's some in progress documentation in the Numpy doc app at http://docs.scipy.org/numpy/docs/numpy.ma.core.masked_where/ that hasn't yet made it's way to the reference manual http://docs.scipy.org/doc/numpy/reference/