Is mapstd the same as Zcore ? what is the reverse function?
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Hi All
for my work , I should apply zcore to my target matrix , that is a 4x1055 matrix , the zcore I apply is like :
[ tc meanT stdT] = zscore(tc)
and for rolling back I do :
an = meanT + stdT'* an';
I just wanted to know if the mapstd works the same and if the above is correct ?
thank you very much
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Star Strider
le 22 Mar 2015
They are not the same. The most notable difference is that mapstd operates on rows, while zscore operates on columns.
If you are using neural networks, use mapstd for consistency with other neural network functions.
9 commentaires
Greg Heath
le 27 Mar 2015
I am confused about whether or not you need clarification.
help mapstd
doc mapstd
type mapstd
The latter should have the name of the coder. However, I can probably answer any further clear-cut questions.
Greg
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