Dear baptiste, many thanks for your suggestions !
best, yichih 2009/9/5, baptiste auguie <baptiste.aug...@googlemail.com>: > > Hi, > > you have two problems in your first scenario, > > 1- Wrong operator precedence. For example, > > > 1 == 2 | 3 > [1] TRUE > > where 1==2 is tested as FALSE, but 1 is not tested against 3 for equality > as it would be using, > > > 1 == 2 | 1 == 3 > [1] FALSE > > or using %in% 2:3 > > Instead, R evaluates "FALSE | 3", and > > 2- it so happens that non-zero integers are treated as TRUE, according to > ?"|" > > > as.logical(1) > [1] TRUE > > as.logical(0) > [1] FALSE > > > HTH, > > baptiste > > 2009/9/5 Yichih Hsieh <yichih.hs...@gmail.com> > >> Dear all, >> >> I got another problem: >> >> if education have five levels >> >> edu=1 >> edu=2 >> edu=3 >> edu=4 >> edu=5 >> >> If I want to appoint y=edu2~4 in 1990 >> which programs is correct? >> I tried this two programs, they both work, but two results is different. >> >> 1. >> fig2b<-reldist(y=mu1990$wage[mu1990$edu==2|3|4],......) >> >> >> 2. >> fig2b<-reldist(y=mu1990$wage[mu1990$edu%in%2:4],......) >> >> which one is correct? >> and why they have different results? >> >> >> All help high appreciated. >> >> >> best, >> Yichih >> >> 2009/9/5 Yichih Hsieh <yichih.hs...@gmail.com> >> >> > >> > Dear Petr, >> > >> > your suggestion is useful >> > >> > many thanks for your help ! >> > >> > >> > best, >> > Yichih >> > >> > 2009/9/3 Petr PIKAL <petr.pi...@precheza.cz> >> > >> > Hi >> >> >> >> use any of suitable selection ways that are in R. >> >> >> >> E.g. >> >> >> >> data[data$gender==1, ] >> >> >> >> selects only female values >> >> >> >> data$wage[(data$gender==1) & (data$race=1)] selects black female >> wages. >> >> >> >> and see also ?subset >> >> >> >> Regards >> >> Petr >> >> >> >> r-help-boun...@r-project.org napsal dne 03.09.2009 10:51:59: >> >> >> >> > Dear all, >> >> > >> >> > I have 1980~1990 eleven datas, >> >> > every year have three variables, >> >> > wage >> >> > gender(1=female, 2=male) >> >> > race(1=black, 2=white) >> >> > >> >> > My original commands is: >> >> > >> >> > fig2b<-reldist(y=mu1990$wage,yo=mu1980$wage,.......) >> >> > >> >> > I have three questions: >> >> > 1. If I want to appoint y=women's wage in 1990 >> >> > yo=women's wage in 1980 >> >> > 2. If I want 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.hs...@gmail.com >> >> > >> >> > [[alternative HTML version deleted]] >> >> > >> >> > ______________________________________________ >> >> > R-help@r-project.org mailing list >> >> > https://stat.ethz.ch/mailman/listinfo/r-help >> >> > PLEASE do read the posting guide >> >> http://www.R-project.org/posting-guide.html<http://www.r-project.org/posting-guide.html> >> <http://www.r-project.org/posting-guide.html> >> >> > and provide commented, minimal, self-contained, reproducible code. >> >> >> >> >> > >> > >> > -- >> > Yichih Hsieh >> > >> > e-mail : yichih.hs...@gmail.com >> > >> >> >> >> -- >> Yichih Hsieh >> >> e-mail : yichih.hs...@gmail.com >> >> [[alternative HTML version deleted]] >> >> ______________________________________________ >> R-help@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide >> http://www.R-project.org/posting-guide.html<http://www.r-project.org/posting-guide.html> >> and provide commented, minimal, self-contained, reproducible code. >> > > > > -- > _____________________________ > > Baptiste Auguié > > School of Physics > University of Exeter > Stocker Road, > Exeter, Devon, > EX4 4QL, UK > > http://newton.ex.ac.uk/research/emag > ______________________________ > > -- Yichih Hsieh e-mail : yichih.hs...@gmail.com [[alternative HTML version deleted]]
______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
