Re: [R] how to change the color of the regression line when using effect function

Hi all, Do you know how to change the color of the regression line, confidence interval etc. when plotting the "effect" function: library(effects) plot(effect("explanatory variable", model.name),xlab,ylab) I tried to include the "col" argument of the plot function but it didn't work. Than

[R] how to change the color of the regression line when using effect function

Hi all, Do you know how to change the color of the regression line, confidence interval etc. when plotting the "effect" function: plot(effect("explanatory varible", model.name),xlab,ylab) I tried to include the "col" argument of the plot function but it didn't work. Thanks,Karine

[R] (no subject)

Hi, I am using the nls function and it stops because the number of iterations exceeded 50, but i used the nls.control argument to allow for 500 iterations. Do you have any idea why it's not working? fm1 <- nls(npe ~ SSgompertz(npo, Asym, b2, b3), data=f,control=nls.control(maxiter=500)) Error i

[R] nls problem with iterations

Hi, I am using the nls function and it stops because the number of iterations exceeded 50, but i used the nls.control argument to allow for 500 iterations. Do you have any idea why it's not working? fm1 <- nls(npe ~ SSgompertz(npo, Asym, b2, b3), data=f,control=nls.control(maxiter=500)) T

[R] plot dates

hi everybody, How can you plot some dates? I mean how can i have the tickmarks with the label of each date on my x axis? The dates i use are in POSIXct format, i don't know if it matters. thanks a lot Karine __

[R] cluster analysis :: urgent

hi, how can i do cluster analysis on spatial data? (longitude & latitude) Because i used the function clust of the clustTool package and it did'nt work at all: cl <- clust(dv,3,method="hclustAverage",distMethod="euclidean") thanks a lot Karine H

[R] kriging problem - very urgent

n (gstat package). It gives me a dataframe, and i want a matrix for the prediction. How can i do that, in order to plot it with the image function after. Thanks a lot Karine HEERAH Master 2 , océanographie et environnements marins Université Pierre et Marie Curie (Paris 6) 42 rue Salvador Allen

[R] add sd to a plot

Hi, I would like to add sd bar to an existing plot. How can i do that? For example: library("MASS") x <- rnorm(100) mean <- mean(x) sd <- sd(x) plot(mean) ## How can i add the sd bar around the mean point? thanks a lot Karine HEERAH Master 2

[R] difference between date and times

Hi, I have date and time in a format like this: " 2007-02-21 05:19:00". Do you which function i can use to derterminate the difference in time between this value and an other one. For exemple: this one : 2007-02-21 05:19:00 and this one : 2007-02-20 14:21:53 Thanks a lot, Karine H

[R] 2 dimensional interpolation from matlab to R

find a script doing that on matlab but i want to do it on R. Do you how to do it? for ii = 1:length(seal_dive_depth07) seal_bathy_depth07(ii) = interp2(long,latg,A,seal_lon07(ii),seal_lat07(ii)); end Karine HEERAH Master 2 mention "océanographie et environnements marins"

[R] hdf files

udeLatitudeGrid-s6250-Antarctic.hdf", load = > TRUE, verbosity = 3, tidy = FALSE) hdf5_global_verbosity=3 load=1 Erreur dans hdf5load("LongitudeLatitudeGrid-s6250-Antarctic.hdf", load = TRUE, : unable to open HDF file: LongitudeLatitudeGrid-s6250-Antarctic.hdf Thanks a l

[R] make a grid with longitude, latitude and bathymetry data

hi, i have a longitude vector (x) a latitude vector (y) and a matrix of bathymetry (z) with the dimensions (x,y). I have already succeeded in plotting it with the image.plot (package 'field') and the contour functions. But now, I want to make a grid in order to extract easily the bathymetry

[R] FW: to convert a character string in time

; > > but it didn't work. > > Do you know why? Do you know how i can convert my string character in a real > time? > > > > Thanks > > Karine HEERAH > > Master 2 mention "océanographie et envir

[R] to convert a character string in time

w i can convert my string character in a real time? Thanks Karine HEERAH Master 2 mention "océanographie et environnements marins", parcours océanique 42 rue Salvador Allende 9

[R] contour function: changing colour according to different levels

Hi everybody, I am using the contour function to draw isobares. And i would like to to bold contours for an interval of 500m and weak contour for an interval of 100m. Can someone help me with this? Thanks a lot Karine _

[R] make a grid with longitude, latitude and bathymetry data

hi, i have a longitude vector (x) a latitude vector (y) and a matrix of bathymetry (z) with the dimensions (x,y). I have already succeeded in plotting it with the image.plot (package 'field') and the contour functions. But now, I want to make a grid in order to extract easily the bathymetry c

[R] hdf files

udeLatitudeGrid-s6250-Antarctic.hdf", load = > TRUE, verbosity = 3, tidy = FALSE) hdf5_global_verbosity=3 load=1 Erreur dans hdf5load("LongitudeLatitudeGrid-s6250-Antarctic.hdf", load = TRUE, : unable to open HDF file: LongitudeLatitudeGrid-s6250-Antarctic.hdf Thanks a l

[R] hdf files

t;- hdf5load("LongitudeLatitudeGrid-s6250-Antarctic.hdf", load = > TRUE, verbosity = 3, tidy = FALSE) hdf5_global_verbosity=3 load=1 Erreur dans hdf5load("LongitudeLatitudeGrid-s6250-Antarctic.hdf", load = TRUE, : unable to open HDF file: LongitudeLatitudeGrid-s6250-Antarctic.hdf Tha