hello,
I have plots http://uosis.mif.vu.lt/~roka5178/time series.JPG
I must to do almost the same. I do not have any data.
but i know that this is time series data with parabolic changeable mean.
I can not generate tie series data with parabolic mean.
how can i do this?
and have http://uosis.mif.vu.lt/~roka5178/time series2.JPG
with paarbilic changeable standart.
--
Robertas
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