If you have a 21-day ascending linear regression trendline (slope .211) with an R2 of .642 with values currently two standard deviations below it, and you have a descending 7-day linear regression trendline (slope -.245) with an R2 value of .852, with values on and around it, how are these two trendlines likely to reconcile themselves? I'm interested in learning how to make these judgments. Thanks in advance.
2006-08-13 16:07:41 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
Try taking an exponential/logarithmic regression rather than linear
one....it seems that your 21 day trend is reaching a relative bottom at or near your 7 day trend slope...if your data is 2 sigmas from your 21 day line..and at or near your 7 day line....that should tell you something about the trend....
I'd try other regressive techniques....
2006-08-13 21:39:59 · answer #1 · answered by Gemelli2 5 · 0⤊ 0⤋
thats a hard one to answer. don't know for sure.
2006-08-13 16:09:27 · answer #2 · answered by Anonymous · 0⤊ 0⤋