will 9 data points work for a regression in R?
On 03.10.2012 19:58, liang.che at us.pwc.com wrote:
See error message below: can someone please help with this? Thanks! Residuals: ALL 9 residuals are 0: no residual degrees of freedom! Residual standard error: NaN on 0 degrees of freedom Multiple R-squared: 1, Adjusted R-squared: NaN F-statistic: NaN on 8 and 0 DF, p-value: NA
Are these homeworks? You have more variables then observations, i.e. no degrees of freedom left! Uwe Ligges
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