search for: summ2

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2013 Apr 22
1
Hmisc & pdflatex
...it is not available. I also tried texi2dvi (from tools); and it says "latex is not available". But, I was earlier able to use "latex" with tabular to generate a "tex" file. I am confused with such conflicting messages. Also.. when I tried to use latex again, latex(summ2,title=outfile,file="a1.tex") # summ2 is a "tabular" output using "tables" package 'latex' is not recognized as an internal or external command, operable program or batch file. Error in system(cmd, intern = TRUE, wait = TRUE) : 'yap' not found In additio...
2012 Jul 13
4
R-squared with Intercept set to 0 (zero) for linear regression in R is incorrect
...2 value is the same in R and Excel. In both cases the slope coefficient from R and from Excel are identical. k is a data frame with two columns. M1 = lm(k[,1]~k[,2] + 0) ## set intercept to 0 and get different R^2 values in R and Excel M2 = lm(k[,1]~k[,2]) sumM1 = summary(M1) sumM2 = summary(M2) ## get same value as Excel when intercept is not set to 0 Below is what R returns for sumM1: lm(formula = k[, 1] ~ k[, 2] + 0) Residuals: Min 1Q Median 3Q Max -0.057199 -0.015857 0.003793 0.013737 0.056178 Coefficients: Estimate Std. Error...