Re: [R] dates() is a great date function in R

2007-07-19 Thread JB Kim
, JB On 07/18/07 16:13:49, Gavin Simpson wrote: On Wed, 2007-07-18 at 12:14 -0700, Mr Natural wrote: Proper calendar dates in R are great for plotting and calculating. However for the non-wonks among us, they can be very frustrating. I have recently discussed the pains that people in my lab

[R] Use R In a Cpp Project

2004-03-30 Thread boudenne, jb
Hi, I'am trying to use R in my Cpp project but I fail. First I try to include R.h for loading statically R.dll but there is conflict with windows definition of Error. Second, I try to use dynamically that Dll but, I can't use allocVector (toto here). The error message said that I

[R] (no subject)

2004-03-25 Thread boudenne, jb
Hi, Does anybody has a simple example how to use a R function In Cpp programme? If it's possible, a *.cpp-file and what I need (wrapper or what ever). I try several ways, was reading the writing R extension and the windows-FAQ, but failed. I try to display R results in CGRIDControl

Re: [R] newbie's additional (probably to some extent OT) questions

2003-11-13 Thread JB
At 07.11.2003 (00:24), Thomas W Blackwell wrote: JB and Michael - But I will guess that the data come from a high school physics experiment on gravitational acceleration which drops a weight dragging a paper tape through a buzzer with a piece of carbon paper in it. This prints periodic marks

Re: [R] Fitting to strange function

2003-11-13 Thread JB
At 13.11.2003 (17:17), Roger D. Peng wrote: You could use nls() or optimize(). -roger Well, thx. This is very complicated. In Mupad I simply say: r:=stats::reg(t_list,x_list,a/2*t^2+sqrt(0.08*a)*t,[t],[a]) and get the (right) answer. How would the same command in R go? TIA, jb

[R] Absolut newbie questions

2003-11-06 Thread JB
I teach at a high school and should like to find out, if I can use R for my teaching. So I jhave installed it on my XP system and now I should like to solve a simple problem: We have just measured dx and dt (d standing here for \Delta) on an inclined plain and received some data thet are in

[R] newbie's additional (probably to some extent OT) questions

2003-11-06 Thread JB
= What is going on here? (Sorry but I am only a high school teacher and have not much idea of statistics.) TIA, JB __ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r

Re: [R] newbie's additional (probably to some extent OT) questions

2003-11-06 Thread JB
At 07.11.2003 (00:24), Thomas W Blackwell wrote: JB and Michael - But I will guess that the data come from a high school physics experiment on gravitational acceleration which drops a weight dragging a paper tape through a buzzer with a piece of carbon paper in it. This prints periodic marks