Sir,

wish every one of you a very happy deepawali and prosperous new year,

i wish to establish a realtionship betwwen crop yield and rainfall, rainy day,
rainy season duration, dry spell in weeks, drought free period ( AET/PET), wrsi,
water surplus, deficit, moisture index etc.
i had worked out the simple correlation but a multiple regression equation is
to be developed. therfore , kindly suggest me that which factors i can combined
and how a curvilinear relationship ca be developed. i had SPSS12 also.

with regards and again a very happy Deepawali.

anil kothari