WA::# Technical analysis tool 2203110843
data frame.
Data frames contain a list of vectors of the same length, plus a unique set of row names.
Dans le système de base de données R, ce qui est sortie s'appelle un "data frame". Qqch me parle là dedans.
needs sequential processing for statistical study, R can make those processes simpler to manage.
[...] given an ordered collection of dimensions, one fills in values along the first dimension first, then fill in one-dimensional arrays across the second dimension, and so on.
R supports array arithmetics and in this regard is like languages such as APL and MATLAB. (Wikipedia)
a time series is a sequence taken at successive equally spaced points in time.