search for: echantillon

why would I be getting this error after submitting my form? NoMethodError in EchantillonsController#create undefined method `call'' for nil:NilClass This is my create method in the controller: def create @echantillon = Echantillon.new(params[:echantillon]) @echantillon.set_eros_values respond_to do |format| if @echantillon.save if params[:echant...

...leur de alpha (risque de 10%) nbrefoissim=100 # nbrefois que le programme tourne p=2 #dimension de la variable X q=3 #dimension de la variable Y R=c(2,3,2);# Nbre de partition de chaque composante de la variable Y if(length(R) != q) stop("La taille de R doit ?tre ?gale ? q") n=25 # Taille echantillon N=c(25,50,100,200,300,400,500,1000) #differentes tailles de l'?chantillion N=c(25,50) #differentes tailles de l'?chantillion K=0 MV=matrix(0,nr=2,nc=4) dimnames(MV)[[2]]=c("n","r1%","r5%","r10%") #Debut du programme for (n in N){ l1=0 # initial...