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magnet
2010 Oct 06
2
Highly significant intercept and large standard error
...el it lowers the AIC of the model, however the intercept is the only value with significant p-value. I have looked at the coefficients and the standard error and something jumps out at me.
Estimate Std. Error z value Pr(>|z|)
(Intercept) -1.35778 0.30917 -4.392 1.12e-05 ***
MagNew -15.76939 1255.06372 -0.013 0.990
MagOld 0.14250 0.25246 0.564 0.572
MagNew relates to a categorical factor (Mag) that has 3 levels of which New is one and Old is another ( The third is not displayed).
It appears MagNew has a huge Std.Error, what could cause th...