[R] List Structure and Acces to data

[Eric TRAVAGLINI]

Hello,
 
I used some other langages as Matlab and i just began with R, and i need help with data structure.
 
Here is my code
 
"
fct_echant_hist <- function ( my_echant, my_vitesse, my_hist, my_summary) {
	  list (my_echant = my_echant,
		my_vitesse = my_vitesse,
		my_hist = my_hist,
		my_summary = my_summary)} 
 
 
my_echant_hist <- replicate(dim(pas)[1], fct_echant_hist(0L,
			   0L,
			   matrix(nrow=length(my_breaks),ncol=1),
			   matrix(nrow=6,ncol=1)),
	   simplify=FALSE)
" 
Is it possible to acces to all data of my_vitesse ?
 
 
to acces to the my_vitesse of the first record i write 
my_echant_hist[[1]][[2]]
 
I try something like that without succes :
my_echant_hist[[]][[2]] or 
my_echant_hist[[:]][[2]] or
my_echant_hist[[;]][[2]] 
 
 
Thanks a lot
 
Eric ./.
 
P:S Sorry for my English