predict x for a given y(response)? If this is the case, you will have multiple x for a single y for this exponential model. In terms of logistic regression, If y =1, logit([P(Y=1)] = a + b*bx has infinite many x. The question seems not quite clear to me. -- View this message in context: http://r.789695.n4.nabble.com/forecasting-with-non-linear-models-tp2531125p2531186.html Sent from the R help mailing list archive at Nabble.com.
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