headm {rchemo} | R Documentation |
Function headm
displays the first part and the dimension of a data set.
headm(X)
X |
A matrix or dataframe. |
first 6 rows and columns of a dataset, number of rows, number of columns, dataset class.
n <- 1000
p <- 200
X <- matrix(rnorm(n * p), nrow = n)
headm(X)