[R] Combining expressions and objects within labels

)) text(60,36, paste(Yield at EONR=,yldeonr)) # I'd like to place the superscript on the r text(60,32, paste(Pseudo r^2=,r_2)) # This does not seem to work ... I can get the subscript # but now I cannot paste the r_2 object. Any ideas ? text(60,28, expression(paste(Pseudo r ^2, = r_2))) -- Jose

[R] Quadratic curve on a loop

) } ### ### -- Jose A. Hernandez Department of Soil, Water, and Climate University of Minnesota 1991 Upper Buford Circle St. Paul, MN 55108 Ph. (612) 625-0445, Fax. (612) 625-2208 __ [EMAIL PROTECTED

[R] SAS or R software

first. However, R still does not come so naturally to me when I am coding, I have to look at my old codes, manuals and google. If I ever end up teaching applied stats I'll teach using R. Sincerely, Jose ... migrating to R ... and one of this days to linux -- Jose A. Hernandez Ph.D. Candidate

RE: [R] Quadratic curve on a loop

Please disregard my message I've seen the light now... curve(predict(out, data.frame(x = x)), add = T) Thanks, Jose -- Jose A. Hernandez Department of Soil, Water, and Climate University of Minnesota 1991 Upper Buford Circle St. Paul, MN 55108 Ph. (612) 625-0445, Fax. (612) 625-2208

[R] Help me to migrate from SAS

R-community, Assuming a file with 3 columns: site, nrate, yield. In SAS I can easily run the analysis BY SITE using the following code: *--*; proc nlin method=MARQUARDT; by farm; parms b0=100 b1=0.33 b2=-0.00111 x0=120; model yield = (b0 + b1 * nrate

[R] Bug on the stem function or in my brain ?

minor0.1 year 2004 month11 day 15 language R -- Jose A. Hernandez Ph.D. Candidate Precision Agriculture Center Department of Soil, Water, and Climate University of Minnesota 1991 Upper Buford Circle St. Paul, MN 55108 Ph. (612) 625-0445, Fax. (612) 625-2208

[R] Ordering scales in xYplot.Hmisc

# -- Jose A. Hernandez Ph.D. Candidate Precision Agriculture Center Department of Soil, Water, and Climate University of Minnesota 1991 Upper Buford Circle St. Paul, MN 55108 Ph. (612) 625-0445, Fax. (612) 625-2208 __ R-help@stat.math.ethz.ch

[R] Standard error of a sum

(131.75,125.92,130.09,42.67,48.26,54.56,85.05,91.17,90.86) d.1 - data.frame(event,chem) attach(d.1) s.err - function(x) sd(x)/(sqrt(length(x))) print(mean_event - tapply(d.1$chem,factor(data.1$event),mean)) print(s.err_event - tapply(d.1$chem,factor(data.1$event),s.err)) print(total_chem - sum(mean_event)) s.err_total_chem - -- Jose A. Hernandez Ph.D

[R] NLS question:Quadratic plus plateau fit

(qp.nls.fit, data.frame(nrate = x)), add = T) text(100,175, paste(EONR=,eonr2)) text(100,173, paste(Yield at EONR=,yldeonr2)) -- Jose A. Hernandez Ph.D. Candidate Precision Agriculture Center Department of Soil, Water, and Climate University of Minnesota 1991 Upper Buford Circle St. Paul, MN 55108 Ph. (612

[R] remove pairs of missing values

5 6 5 6 -- Jose A. Hernandez Ph.D. Candidate Precision Agriculture Center Department of Soil, Water, and Climate University of Minnesota 1991 Upper Buford Circle St. Paul, MN 55108 Ph. (612) 625-0445, Fax. (612) 625-2208 __ [EMAIL PROTECTED] mailing list

[R] cumsum() by subgroup

) cumsum(x$y)), recursive=T)) -- Jose A. Hernandez Ph.D. Candidate Precision Agriculture Center Department of Soil, Water, and Climate University of Minnesota 1991 Upper Buford Circle St. Paul, MN 55108 Ph. (612) 625-0445, Fax. (612) 625-2208 [[alternative HTML version deleted