search for: trial_no

I can get this summary of a model that I am running: summary(myprobit) Call: glm(formula = Response_Slot ~ trial_no, family = binomial(link = "probit"), data = neg_data, na.action = na.pass) Deviance Residuals: Min 1Q Median 3Q Max -0.9528 -0.8934 -0.8418 1.4420 1.6026 Coefficients: Estimate Std. Error z value Pr(>|z|) (Intercept) -0.340528 0.3...

...answer some minutes ago on another tread (see below). To avoid excess mails on the list, I move onto next question: I have another small plotting problem that confuses me. I want to plot results from a field trial series, using the numbers of the trials as symbols in the plot. pch = as.character(trial_no) works fine, but truncates the trial number to the first digit. As I have sixteen trials in the series I get into problems.... How do I squeeze in two positions as a symbol in a plot? All the best /CG On Thu, November 9, 2006 9:30 am, Dimitris Rizopoulos said: > try the following: > >...

I have a data frame that is the result of a cast (reshape) operation. I deleted the variable column and tried to melt the resulting data frame. Depending on which method I use to delete the column I get different error messages when melting: > head(tinfos) vpn group trial_no item relation trial_type rt variable # 1 102 2 1 4351 diag1 distractor 8471 fix_d 27 2 102 2 2 1214 id target 4072 fix_d 17 3 102 2 3 4213 diag1 distractor 7040 fix_d 27 4 102 2 4 1314 id target 4370...