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...scatterplot plot(xy_vals[, 1], xy_vals[, 2], pch = 16, cex = 2, col = "blue", main = "Bivariate normal: rho = 0.0", xlab = "x", ylab = "y") # Add lines abline(h = mu_y, v = mu_x) Problem is this results in sigma(x) = sigma(y), rho=0 and I need or what 2sigma(x)=sigma(y), rho=0 or 2sigma(y)=sigma(x), rho=0 to elongate the distribution. What I have created creates a circle. Can I do that within the mvtnorm package? Jeff Reichman

Hi all: I got basic rsync working (not server mode). Basically it went to another server via ssh, backed up subdireactories and stored on the local server. But I am trying to use the feature of "exclude" and could not get it working rigjt. I am trying to back up /export/home/* (all of users) on another machine but exclude a certain types of files. here is one of my tested exclude

Alguien tiene experiencia en escribir una pdMat. Para aquellos que no lo recuerden son las matrices de covarianzas de los efectos aleatorios que ajusta la función lme de la librería nlme Estas matrices tiene especial importancia en aplicaciones de genética de poblaciones y en particular en mapeo de asociación. Pinheiro y Bates dicen que el usuario puede crear sus propias pdMat y sugiere como