Dear all I am using s-plus7 on windows xp I have a dataframe NxP (n observations and p parameters). Lets say for the exercise that I have 3 parameters "w" "x1" "x2" over 1000 observations. My objecti
Dear all This has nothing to do with R coding, but maybe someone can help me. I am now dealing with dummy variables (8 firm indicators) in order to regress the firm effects on the a wage distribution
Dear all Using S-Plus 6.0 for Windows XP Does anyone knows how compute the R1 (analgous to the R2) statistic of a quantile regression ? Thanks in advance Patrick
Dear all I am now facing a big problem. I would like to make a vertical boxplot on a factor which has several categories. It works but the factor axis (axis x) is ordered in aplhabetical order. I wou
Dear all Using S-Plus 6.0 for Windows XP I am using a dataframe with numerous factor variables. I'd like to plot, for example, a grouping barplot showing variable Sex (2 categories) in percent for ea
Dear all Using S-Plus 7.0 for Windows XP I would like to add linear (or others) fitted lines (median, 10 and 90 percentiles) to a scatter plot. Can anyone help me Thanks in advance Patrick