Variable Standardization: how to standardize variables in SAS

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In this video you will learn why do we standardize variables before using the in regression many times. We will also learn how do we standardize variables using SAS

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Thanks for the Vidoe !! Its great resource for Standardization.
I Have one question, lets say once we get eqn in the form of mpg_city=B0+ B1*lenght + B3*HP,
I can use this eqn for directly for prediction if variables are not standardized. but how we get eqn for prediction in case of variable standardisation? do we need to transform?,

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