Thanks for letting me know. That line does look familiar. It's interesting how I simply copy and paste from R editor can result in HTML format.
On Fri, Feb 24, 2017 at 9:16 PM, Jeff Newmiller <jdnew...@dcn.davis.ca.us> wrote: > There is a little button near the bottom of the Gmail editing box that > switches to plain text. We can immediately tell because of the > > [[alternative HTML version deleted]] > > line when we receive it, and sometimes it loses all of the line breaks or > has extra asterisks mixed in. You can look in the archives or replies to > see what we see. > -- > Sent from my phone. Please excuse my brevity. > > On February 24, 2017 5:55:15 PM PST, C W <tmrs...@gmail.com> wrote: > >I suppose for loop will suffice. > > > >I simply copy & paste the code from R editor. From my email, it looks > >plain. Is there a way to tell? > > > >On Fri, Feb 24, 2017 at 8:50 PM, Jeff Newmiller > ><jdnew...@dcn.davis.ca.us> > >wrote: > > > >> The apply function is one of many alienate ways to write a loop. It > >is not > >> appreciably more efficient in cpu time than a for loop. > >> > >> Your example creates the numbers in the loop... does your actual data > >get > >> created in a loop? If so then your original code should be perfectly > >> serviceable. If not then there might be a better way to do this, but > >you > >> would have to expand your example to illustrate how the data comes to > >you > >> in order to suggest alternatives. > >> > >> Also post using plain text to prevent your code from being mangled on > >its > >> way to us. > >> -- > >> Sent from my phone. Please excuse my brevity. > >> > >> On February 24, 2017 5:27:07 PM PST, C W <tmrs...@gmail.com> wrote: > >> >In theory, I am generating from group 5 groups of random numbers, > >each > >> >group has 3 samples. > >> > > >> >Isn't apply() the replacement of loops? > >> > > >> >On Fri, Feb 24, 2017 at 8:23 PM, Jeff Newmiller > >> ><jdnew...@dcn.davis.ca.us> > >> >wrote: > >> > > >> >> What is wrong with > >> >> > >> >> dat <- matrix(rnorm(15), nrow=5, ncol = 3) > >> >> > >> >> ? > >> >> > >> >> And what is this "no loop drama" you refer to? I use loops > >frequently > >> >to > >> >> loop around large memory gobbling chunks of code. > >> >> > >> >> -- > >> >> Sent from my phone. Please excuse my brevity. > >> >> > >> >> On February 24, 2017 5:02:46 PM PST, C W <tmrs...@gmail.com> > >wrote: > >> >> >Dear R, > >> >> > > >> >> >I wanted to simulate a 5 by 3 matrix which fills up by either > >rows > >> >or > >> >> >columns? > >> >> > > >> >> >I started with the following filling the matrix by rows, > >> >> > > >> >> >dat <- matrix(NA, nrow=5, ncol = 3) > >> >> > > >> >> >for(i in 1:5){ > >> >> > > >> >> > dat[i, ] <- rnorm(3) > >> >> > > >> >> >} > >> >> > > >> >> >But, R is known for no loop drama. Any suggestions? > >> >> > > >> >> >Thanks! > >> >> > > >> >> > [[alternative HTML version deleted]] > >> >> > > >> >> >______________________________________________ > >> >> >R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > >> >> >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. > >> >> > >> > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.