[R] still have problem with ascending progressive method

[CELINE RONDEY]

Dear all,

At present, i develop a method of spatial interpolation of the
precipitation on the region "Bourgogne".
This method names AURELHY.
It requires a linear regression .
 A selection of variables for this regression should be made : we use the 
" ascending progressive" method having for test stop the test of fisher (
on the increases of R²).

My question is:
Is there under R a function which allows to make this selection?

Do you know the progressive method?

Thanks in advance for all kind of help.

Céline


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