how can i make histogram without missing value(with nan,isnan)

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jiyun Kim 2019-5-11

评论： jiyun Kim 2019-5-13

please help me.

i want calculate wind direction and speen without Missing values(they are appeared -999) and then display it's frequency with histogram.

so i used nan,isnan but it didn't work it apear like this picture(sky blue color). how can i do to make the latter picture(blue one)?

) ?

gonzalo Mier 2019-5-11

You can remove nan before computing the histogram

histogram(ws(~isnan(ws(:))))

jiyun Kim 2019-5-13

thank you!

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