Did you not notice: "Residual standard error: 22.85 on 5876 degrees of freedom (36 observations deleted due to missingness)
?? (No residuals for missings...) -- Bert Bert Gunter Genentech Nonclinical Biostatistics (650) 467-7374 "Data is not information. Information is not knowledge. And knowledge is certainly not wisdom." H. Gilbert Welch On Sat, Mar 15, 2014 at 10:42 AM, Gainous,Jason <jason.gain...@louisville.edu> wrote: > I am trying to plot the residuals from a linear model and I get the following > error message: Error in xy.coords(x, y, xlabel, ylabel, log) : 'x' and 'y' > lengths differ. The outcome is a continuous variable and the explanatory > variable is ordinal. My immediate suspicion was that it had something to do > with missing values. Each variable has missing values coded as NA. I can't > figure it out. Please help. Thanks. > >> obama.mod = lm(ft_dpc_r~pid_x) >> summary(obama.mod) > > Call: > lm(formula = ft_dpc_r ~ pid_x) > > Residuals: > Min 1Q Median 3Q Max > -89.271 -14.783 0.729 10.729 84.193 > > Coefficients: > Estimate Std. Error t value Pr(>|t|) > (Intercept) 101.5155 0.5797 175.12 <2e-16 *** > pid_x -12.2441 0.1411 -86.76 <2e-16 *** > --- > Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 > > Residual standard error: 22.85 on 5876 degrees of freedom > (36 observations deleted due to missingness) > Multiple R-squared: 0.5616, Adjusted R-squared: 0.5615 > F-statistic: 7528 on 1 and 5876 DF, p-value: < 2.2e-16 > >> plot(pid_x, resid(obama.mod), ylab = "Model Residuals") > Error in xy.coords(x, y, xlabel, ylabel, log) : > 'x' and 'y' lengths differ > > > Jason Gainous, Ph.D. > Associate Professor > Department of Political Science > University of Louisville > 203 Ford Hall > Louisville, KY 40292 > (502) 852-1660 > Homepage: https://louisville.academia.edu/JasonGainous > > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
