search for: sensomines

Dear R Group I was trying to use the triangle.test function in SensoMineR and strangely i encounter a error in the output of preference matrix from the analysis. To illustrate, pl see the following dataframe of a design with the response and preference collected as shown below: design<-structure(list(`Product X` = c(3, 1, 4, 2, 4, 2, 1, 3, 4, 2, 4, 2, 1, 3, 4, 2, 4, 2, 3, 1), `Product Y` =

Hello everyone. In my last post I did not explained my problem quite well. I made a principal component analysis and took the 2 first principal components. I made ​​a chart of my points based on the score of the 2 PC. I would like to add on this graph a 95% confidence region. To do this I used the ellipse function as follows: pcsref=PC$score[data[,1]==ref,1:2] #matrix containing the scores

..... but couldn't find some help, or at least couldn't understand it... Can someone help, and please excuse me if the answer is obvious... maybe I lack some stronger coffee this morning ! Very best regards to all of you. Olivier -- Olivier ETERRADOSSI Ma?tre-Assistant animateur du groupe Sensomines (Institut Carnot M.I.N.E.S) ------------------------------------------------------------- CMGD P?le "Mat?riaux Polym?res Avanc?s" axe "Propri?t?s Psycho-Sensorielles des Mat?riaux" ------------------------------------------------------------- Ecole des Mines d'Al?s H?lioparc...

###Dear R users ###I have been using SensoMineR package from CRAN for most of my work in sensory data analysis and from my usage experience, I encountered some areas for improvement and considered ###modifying the function in SensoMineR package for my personal use. I felt that it could be useful to share this to the community for enabling adoption by other users where they might require a

Hello, I want to know if there are some functions or packages to solve differential and integral equation using R. Thanks. Shao chunxuan. [[alternative HTML version deleted]]

Hello there, any ideas on how to save all the objects on my workspace inside a list object? For example, say my workspace is as follows ls() [1] "x" "y" "z" and suppose I want to put these objects inside a list object, say object.list <- list() without having to explicitly write down their names as in object.list$x = x object.list$y = y object.list$z = z Is

...vaSoft\Java Runtime > Environment'! Try re-installing Java and make sure R and Java have > matching architectures. So it seems to be quite the same as wwreith. Can somebody help ? Thanks, all the best to everybody. Olivier -- Olivier ETERRADOSSI Ma?tre-Assistant animateur du groupe Sensomines (Institut Carnot M.I.N.E.S) ------------------------------------------------------------- CMGD P?le "Mat?riaux Polym?res Avanc?s" axe "Propri?t?s Psycho-Sensorielles des Mat?riaux" ------------------------------------------------------------- Ecole des Mines d'Al?s H?lioparc...

CRAN (and crantastic) updates this week New packages ------------ Updated packages ---------------- New reviews ----------- This email provided as a service for the R community by http://crantastic.org. Like it? Hate it? Please let us know: cranatic at gmail.com.

Greetings to all, and my apologies for a question that is mostly about statistics and secondarily about R. I have just started a new job that (this week, apparently) requires statistical knowledge beyond my training (as an epidemiologist). The problem: - We have 57 food production facilities in three categories - Samples of 4-6 different foods were tested for listeria at each facility - I need

Hi All Please see the Rprofile file which i have modified as follows and after that when I start R then I see that R says to me "TRUE" for all the packages implying that all loaded at once. But when i try to use commands as simple as help("lm"), it doesnt work nor any of the menu "Packages" is not working. Although the regression using lm ( Y ~ X ) is working

CRAN (and crantastic) updates this week New packages ------------ * allan (1.0) Alan Lee http://crantastic.org/packages/allan Automates Large Linear Analysis Model Fitting * andrews (1.0) Jaroslav Myslivec http://crantastic.org/packages/andrews Andrews curves for visualization of multidimensional data * anesrake (0.3) Josh Pasek http://crantastic.org/packages/anesrake This