Displaying 3 results from an estimated 3 matches for "kfrost".
Did you mean:
frost
2012 Dec 04
6
Help for a function
Hello all,
I need a help.
I am modeling a disease and a create a R function like that:
Lambda<-function (x,date1,r,h,a){
ndate1 <- as.Date(date1, "%d/%m/%Y")
t1 <- as.numeric(ndate1)
x[order(x$i),]
t <-x[,"t"]
i <-x[,"i"]
CONTAGIEUX <-x[,"CONTAGIEUX"]
while ( t1 < min(t) ){
for (i in 1:length(i) ){
{for (j in
2012 Feb 14
4
Color cells of a matrix as in Excel
All,
I frequently make spreadsheets in Excel in which I rank values in columns
by stop-light colors (red is bad, yellow is OK, green is good).
Image and heatmap expect a matrix in which all the data are in the same
scale, but I frequently have different scales in different columns. ie.
Column one runs from 1-10 while column 2 runs from 1-100. I thus need to
define a separate color ramp for each
2009 Feb 03
3
non linear regression with nls
Hello,
I'm a beginner with R and it's the first time I'm using the R-help list... I hope I'm in the right place, if not:
Sorry!!
I need to do non linear regressions on a data set which columns are:
"river.name" "Portata" "PTG.P" "PO4.P" "NT.N" "NH4.N" "NO3.N" "BOD5" "SiO2"