Displaying 1 result from an estimated 1 matches for "regressionskoeffizienten".
2013 Feb 14
3
Problems plotting and regression w.r.t. date data type on x axis
...mula = tabelle$number ~ tabelle$date)
Coefficients:
(Intercept) tabelle$date2009-12-1 tabelle$date2010-7-1
1673 438 814
tabelle$date2013-2-1
2628
> abline(regression.punkte, lwd=2) ***R DOES NOT DRAW LINE***
Warnmeldung:
In abline(regression.punkte, lwd = 2) :
nutze nur die ersten beiden von 4 Regressionskoeffizienten
> summary(regression.punkte)
Call:
lm(formula = tabelle$number ~ tabelle$date)
Residuals:
ALL 4 residuals are 0: no residual degrees of freedom!
Coefficients:
Estimate Std. Error t value Pr(>|t|)
(Intercept) 1673 NA NA NA
tabelle$date2009-12-1 438 NA NA NA
tabelle$date2010-7-1 814 NA NA NA...