o1            o2            o3 

34.7597607381 0.0001989008 0.0393011905 -1.7954157979


     o1          o2          o3 

0.03535042 2.35304425 -2.93190172

So my question is what is the difference between both the coefficients and which coefficients should i use for my equation..

  • 1
    $\begingroup$ ridd$coef gives the coefficients when the predictor variables have been standardised. The other coefficients are after transforming back to the original scale. $\endgroup$ – mark999 May 7 '15 at 11:36
  • $\begingroup$ okay..but which coef to use in the equation to predict mariner...? $\endgroup$ – Shubham. May 7 '15 at 12:02
  • $\begingroup$ If the predictor values are on the original scale, then use the estimates from coef(ridd). $\endgroup$ – mark999 May 8 '15 at 23:08

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