[R] First read (was: Re: Looping and paste)
It's very seldom that I disagree with Bert, but here is one time. I don't think An Introduction to R is a suitable first read for people with little computational experience. Better (I modestly suggest) would be: http://www.burns-stat.com/pages/Tutor/hints_R_begin.html which includes some other references. 'Hints' is imperfect and incomplete but it suffers slightly less from the curse of knowledge than a lot of other R documentation. Pat On 24/11/2011 00:15, Bert Gunter wrote: ... and you can of course do the assignment: Bndy- paste (BndY,to,50+seq_len(BndY), mN, sep = ) An Introduction to R tells you about such fundamentals and should be a first read for anyone learning R. --- Bert On Wed, Nov 23, 2011 at 4:10 PM, Bert Gunterbgun...@gene.com wrote: Don't do this! paste() is vectorized. paste (BndY,to,50+seq_len(BndY), mN, sep = ) Cheers, Bert On Wed, Nov 23, 2011 at 3:31 PM, B77Sbps0...@auburn.edu wrote: out- vector(list) Ylab- for(i in 1:length(BndY)) { out[i]- paste(BndY[i], to ,BndY[i],mN) } Ylab- do.call(c, out) markm0705 wrote Dear R helpers I'm trying to make up some labels for plot from this vector BndY-seq(from = 18900,to= 19700, by = 50) using Ylab-for(i in BndY) {c((paste(i, to ,i+50,mN)))} but the vector created is NULL However if i use for(i in BndY) {print(c(paste(i, to ,i+50,mN)))} I can see the for loop is making the labels I'm looking for but not sure on my error in assigning them to a vector Thanks in advance -- View this message in context: http://r.789695.n4.nabble.com/Looping-and-paste-tp4101892p4102066.html Sent from the R help mailing list archive at Nabble.com. __ 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. -- Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm -- Patrick Burns pbu...@pburns.seanet.com twitter: @portfolioprobe http://www.portfolioprobe.com/blog http://www.burns-stat.com (home of 'Some hints for the R beginner' and 'The R Inferno') __ 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.
Re: [R] First read (was: Re: Looping and paste)
On Thu, Nov 24, 2011 at 9:27 AM, Patrick Burns pbu...@pburns.seanet.com wrote: It's very seldom that I disagree with Bert, but here is one time. I don't think An Introduction to R is a suitable first read for people with little computational experience. I must agree with Patrick here. The 'Intro to R' may be appropriate for someone already versed in statistics and/or programming, but it is hardly useful as a first read for the neophytes. Better (I modestly suggest) would be: http://www.burns-stat.com/pages/Tutor/hints_R_begin.html To chip in, the first two chapters of Fox and Weisberg (2011) make for an excellent introduction to R programming. It's gentle, but also covers many of the difficulties and misunderstandings that one would encounter in R. Regards Liviu which includes some other references. 'Hints' is imperfect and incomplete but it suffers slightly less from the curse of knowledge than a lot of other R documentation. Pat On 24/11/2011 00:15, Bert Gunter wrote: ... and you can of course do the assignment: Bndy- paste (BndY,to,50+seq_len(BndY), mN, sep = ) An Introduction to R tells you about such fundamentals and should be a first read for anyone learning R. --- Bert On Wed, Nov 23, 2011 at 4:10 PM, Bert Gunterbgun...@gene.com wrote: Don't do this! paste() is vectorized. paste (BndY,to,50+seq_len(BndY), mN, sep = ) Cheers, Bert On Wed, Nov 23, 2011 at 3:31 PM, B77Sbps0...@auburn.edu wrote: out- vector(list) Ylab- for(i in 1:length(BndY)) { out[i]- paste(BndY[i], to ,BndY[i],mN) } Ylab- do.call(c, out) markm0705 wrote Dear R helpers I'm trying to make up some labels for plot from this vector BndY-seq(from = 18900,to= 19700, by = 50) using Ylab-for(i in BndY) {c((paste(i, to ,i+50,mN)))} but the vector created is NULL However if i use for(i in BndY) {print(c(paste(i, to ,i+50,mN)))} I can see the for loop is making the labels I'm looking for but not sure on my error in assigning them to a vector Thanks in advance -- View this message in context: http://r.789695.n4.nabble.com/Looping-and-paste-tp4101892p4102066.html Sent from the R help mailing list archive at Nabble.com. __ 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. -- Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm -- Patrick Burns pbu...@pburns.seanet.com twitter: @portfolioprobe http://www.portfolioprobe.com/blog http://www.burns-stat.com (home of 'Some hints for the R beginner' and 'The R Inferno') __ 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. -- Do you know how to read? http://www.alienetworks.com/srtest.cfm http://goodies.xfce.org/projects/applications/xfce4-dict#speed-reader Do you know how to write? http://garbl.home.comcast.net/~garbl/stylemanual/e.htm#e-mail __ 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.
Re: [R] First read (was: Re: Looping and paste)
Pat: 1. Thank you for this. Having not read your tutorial, but based on what I know of your other efforts, I am sure that you are correct. Is there a link to this on CRAN somewhere so I can refer to it in future (too lazy to search myself)? 2. Thank you also for your continuing contributions to R documentation. I know this takes a lot of work and you do it well. Would that more R learners would read them -- there would be a lot less RTFM type queries on r-help. Best, Bert On Thu, Nov 24, 2011 at 12:27 AM, Patrick Burns pbu...@pburns.seanet.com wrote: It's very seldom that I disagree with Bert, but here is one time. I don't think An Introduction to R is a suitable first read for people with little computational experience. Better (I modestly suggest) would be: http://www.burns-stat.com/pages/Tutor/hints_R_begin.html which includes some other references. 'Hints' is imperfect and incomplete but it suffers slightly less from the curse of knowledge than a lot of other R documentation. Pat On 24/11/2011 00:15, Bert Gunter wrote: ... and you can of course do the assignment: Bndy- paste (BndY,to,50+seq_len(BndY), mN, sep = ) An Introduction to R tells you about such fundamentals and should be a first read for anyone learning R. --- Bert On Wed, Nov 23, 2011 at 4:10 PM, Bert Gunterbgun...@gene.com wrote: Don't do this! paste() is vectorized. paste (BndY,to,50+seq_len(BndY), mN, sep = ) Cheers, Bert On Wed, Nov 23, 2011 at 3:31 PM, B77Sbps0...@auburn.edu wrote: out- vector(list) Ylab- for(i in 1:length(BndY)) { out[i]- paste(BndY[i], to ,BndY[i],mN) } Ylab- do.call(c, out) markm0705 wrote Dear R helpers I'm trying to make up some labels for plot from this vector BndY-seq(from = 18900,to= 19700, by = 50) using Ylab-for(i in BndY) {c((paste(i, to ,i+50,mN)))} but the vector created is NULL However if i use for(i in BndY) {print(c(paste(i, to ,i+50,mN)))} I can see the for loop is making the labels I'm looking for but not sure on my error in assigning them to a vector Thanks in advance -- View this message in context: http://r.789695.n4.nabble.com/Looping-and-paste-tp4101892p4102066.html Sent from the R help mailing list archive at Nabble.com. __ 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. -- Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm -- Patrick Burns pbu...@pburns.seanet.com twitter: @portfolioprobe http://www.portfolioprobe.com/blog http://www.burns-stat.com (home of 'Some hints for the R beginner' and 'The R Inferno') __ 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. -- Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm __ 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.
Re: [R] First read
Bert, Your laziness is well founded -- it is not on CRAN, you have to go all the way over to another website. And thanks for the kind words (even though we Europeans are free to be ingrates today). Pat On 24/11/2011 14:23, Bert Gunter wrote: Pat: 1. Thank you for this. Having not read your tutorial, but based on what I know of your other efforts, I am sure that you are correct. Is there a link to this on CRAN somewhere so I can refer to it in future (too lazy to search myself)? 2. Thank you also for your continuing contributions to R documentation. I know this takes a lot of work and you do it well. Would that more R learners would read them -- there would be a lot less RTFM type queries on r-help. Best, Bert On Thu, Nov 24, 2011 at 12:27 AM, Patrick Burns pbu...@pburns.seanet.com wrote: It's very seldom that I disagree with Bert, but here is one time. I don't think An Introduction to R is a suitable first read for people with little computational experience. Better (I modestly suggest) would be: http://www.burns-stat.com/pages/Tutor/hints_R_begin.html which includes some other references. 'Hints' is imperfect and incomplete but it suffers slightly less from the curse of knowledge than a lot of other R documentation. Pat On 24/11/2011 00:15, Bert Gunter wrote: ... and you can of course do the assignment: Bndy- paste (BndY,to,50+seq_len(BndY), mN, sep = ) An Introduction to R tells you about such fundamentals and should be a first read for anyone learning R. --- Bert On Wed, Nov 23, 2011 at 4:10 PM, Bert Gunterbgun...@gene.comwrote: Don't do this! paste() is vectorized. paste (BndY,to,50+seq_len(BndY), mN, sep = ) Cheers, Bert On Wed, Nov 23, 2011 at 3:31 PM, B77Sbps0...@auburn.eduwrote: out- vector(list) Ylab- for(i in 1:length(BndY)) { out[i]- paste(BndY[i], to ,BndY[i],mN) } Ylab- do.call(c, out) markm0705 wrote Dear R helpers I'm trying to make up some labels for plot from this vector BndY-seq(from = 18900,to= 19700, by = 50) using Ylab-for(i in BndY) {c((paste(i, to ,i+50,mN)))} but the vector created is NULL However if i use for(i in BndY) {print(c(paste(i, to ,i+50,mN)))} I can see the for loop is making the labels I'm looking for but not sure on my error in assigning them to a vector Thanks in advance -- View this message in context: http://r.789695.n4.nabble.com/Looping-and-paste-tp4101892p4102066.html Sent from the R help mailing list archive at Nabble.com. __ 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. -- Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm -- Patrick Burns pbu...@pburns.seanet.com twitter: @portfolioprobe http://www.portfolioprobe.com/blog http://www.burns-stat.com (home of 'Some hints for the R beginner' and 'The R Inferno') __ 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. -- Patrick Burns pbu...@pburns.seanet.com twitter: @portfolioprobe http://www.portfolioprobe.com/blog http://www.burns-stat.com (home of 'Some hints for the R beginner' and 'The R Inferno') __ 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.