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...ant to appoint y=women's wage in 1990 yo=men's wage in 1990 3. If I want to appoint y=black women's wage in 1990 yo=white women's wage in 1990 How can I modify the commands? All help highly appreciated. Best, Yichih -- Yichih Hsieh e-mail : yichih.hsieh@gmail.com [[alternative HTML version deleted]]

...ave one problem with figures. I draw the Relative Distribution graph, it looks like barchart(X,Y plot), but I have ten(year) Relative Distribution grapgs, have any command am can combine ten barcharts(X,Y plot) to become a three dimensions barchart(X,Y,Z plot)? All help highly appreciated Best, Yichih One Relative Distribution graph: fig2b<-reldist(y=mu96$adjwage,yo=mu68$adjwage,ci=F,smooth=0.4, bar=TRUE,yolabs=seq(-1,3,by=0.5), ylim=c(0,7),cex=0.8,ylab="Relative Density",xlab="Proportion of the Original Cohort") title(main="Fig2(b):2007",cex=0.6) -- Yichi...

...gthsr,yowgt=wgtscr,binn=binn) R gave me the error message: error in seq.default(0,1,length=binn+1): object 'binn' not found What is my example missing Please help me figure out what additional diagnostics I can run to achieve enlightenment ? Thanks for your consideration !! Best, Yichih -- Yichih Hsieh internet: yichih.hsieh@gmail.com [[alternative HTML version deleted]]

Dear R users: i try to use package "reldist" to measure wage distribution. In package "reldist" : y mean sample from comparison distribution yo mean sample from reference distribution but I would like to compare more than two years ( total of fifteen years, from 1979, 1981, 1983..........to 2007) how should i correct my programs, then i could compare fifteen year's