'print.lmorigin' <- function(x, ...) { if(x$origin) { cat("\nRegression through the origin",'\n') } else { cat("\nMultiple regression with estimation of intercept",'\n') } cat("\nCall:\n") cat(deparse(x$call),'\n') if(x$origin) { names <- x$var.names[-1] } else { names <- c("(Intercept)",x$var.names[-1]) } cat("\nCoefficients and parametric test results \n",'\n') res <- as.data.frame(cbind(summary(x$reg)$coefficients[,1], summary(x$reg)$coefficients[,2], summary(x$reg)$coefficients[,3], summary(x$reg)$coefficients[,4])) rownames(res) <- names colnames(res) <- c("Coefficient","Std_error","t-value","Pr(>|t|)") printCoefmat(res, P.values=TRUE, signif.stars=TRUE) if(x$nperm > 0) { cat("\nTwo-tailed tests of regression coefficients\n",'\n') res2 <- as.data.frame(cbind(summary(x$reg)$coefficients[,1], x$p.param.t.2tail, x$p.perm.t.2tail)) rownames(res2) <- names colnames(res2) <- c("Coefficient","p-param","p-perm") nc <- 3 printCoefmat(res2, P.values=TRUE, signif.stars=TRUE, has.Pvalue = 3 && substr(colnames(res2)[3],1,6) == "p-perm") cat("\nOne-tailed tests of regression coefficients:",'\n') cat("test in the direction of the sign of the coefficient\n",'\n') res1 <- as.data.frame(cbind(summary(x$reg)$coefficients[,1], x$p.param.t.1tail, x$p.perm.t.1tail)) rownames(res1) <- names colnames(res1) <- c("Coefficient","p-param","p-perm") nc <- 3 printCoefmat(res1, P.values=TRUE, signif.stars=TRUE, has.Pvalue = 3 && substr(colnames(res1)[3],1,6) == "p-perm") } cat("\nResidual standard error:", summary(x$reg)$sigma, "on", summary(x$reg)$df[2],"degrees of freedom",'\n') cat("Multiple R-square:", summary(x$reg)$r.squared," Adjusted R-square:", summary(x$reg)$adj.r.squared,'\n') F <- summary(x$reg)$fstatistic[[1]] df1 <- summary(x$reg)$fstatistic[[2]] df2 <- summary(x$reg)$fstatistic[[3]] p.param.F <- pf(F, df1, df2, lower.tail=FALSE) cat("\nF-statistic:", F, "on", df1, "and", df2, "DF:\n") cat(" parametric p-value :", p.param.F,'\n') if(x$nperm > 0) { cat(" permutational p-value:", x$p.perm.F,'\n') if(x$method == "raw") { cat("after",x$nperm,"permutations of",x$method,"data",'\n','\n') } else { cat("after",x$nperm,"permutations of",x$method,"of full model",'\n','\n') } } invisible(x) }