[R] confusion matrix error

Hi, this is my R-script I need to make a confusion matrix but the last row return me an error require(mixOmics) require(SDMTools) file <- "C:\\data.txt" d <- read.table(file, header=T, row.names = NULL) X <- as.matrix(d[,2:11]) Y <- as.factor(d[,1]) i <- 1 samp <- sample(1:3, nrow(X), replace

[R] PLSR error

Hi, this is my R-Script library(pls) file <- "C:\\TXT\\brix.txt" d <- as.matrix(read.table(file, header=T, sep=",", row.names = NULL)) plsdata <- data.frame(NIR=c(1:nrow(X))) plsdata$NIR <- I(d[,3:603]) plsdata$Brix <- d[,2] results <- plsr(Brix ~ NIR, data=plsdata) after the last string i have t

Re: [R] test

Thank you all for the precious help. Finally i could start the writing of a first part of my script, but now i have a new question for you. Need i to repeat the write.table portion for all the 15 lines or can i use a "short cut"? Example: file.open <- "C:\\test.txt" file.save <- "C:\\results.t

[R] test

Hi, i have that table Thesis Day A B C 1 0 83.43 90.15 22.97 1 0 85.50 94.97 16.62 1 0 83.36 95.38 20.70 1 0 84.47 92.16 23.58 1 0 83.98 95.33 19.39 1 0 82.86 93.78 24.55 1 0

[R] "less than or equal to" glyph

If i insert \u2264 inside the text, like this lsd_label <- "LSD (P \u2264 0.05) = " the result is "LSD (P = 0.05) = " instead "LSD (P ≤ 0.05) = " how can i solve this problem? Thanks. -- View this message in context: http://r.789695.n4.nabble.com/less-than-or-equal-to-glyph-tp3073557p3073

[R] Some questione about plot

Q1: How can i draw LSD (Least significant difference) on a plot? Like this... http://r.789695.n4.nabble.com/file/n3053430/LSD.jpg Q2: How can i draw the axis secondary scale? Thanks for help. -- View this message in context: http://r.789695.n4.nabble.com/Some-questione-about-plot-tp3053430

[R] Question about readLines

Can i use "readLines" to extract only the linees with a specific word within? If yes, how? Tnx for help. -- View this message in context: http://r.789695.n4.nabble.com/Question-about-readLines-tp3044701p3044701.html Sent from the R help mailing list archive at Nabble.com.

Re: [R] mean on a plot

Perfect. Thank you Joshua. -- View this message in context: http://r.789695.n4.nabble.com/mean-on-a-plot-tp3031068p3031267.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/

[R] mean on a plot

Hi, i need to draw a plot with means of values, reading a table from datafile. Example of datafile: DaysWeight 0 178.00 0 250.00 0 242.00 0 239.00 0 223.00 0 188.00 0 237.00 0 212.00 0 273.00 0 191.00 0 173.00 0 233.00 0