ji.ds.dim: Retrieves the dimension of an object
In datashield/ji.dev.cl: ji.dev.cl

Description Usage Arguments Value Author(s) Examples

this function is similar to R function dim

1	ji.ds.dim(datasources = NULL, x = NULL)

`datasources`	a list of opal object(s) obtained after login in to opal servers; these objects hold also the data assign to R, as `dataframe`, from opal datasources.
`x`	an R object, for example a matrix, array or data frame

for an array, NULL or a vector of mode integer

Gaye, A. (amadou.gaye

{

# load that contains the login details
data(logindata)

# login
opals <- datashield.login(logins=logindata,assign=TRUE)

# Example 1: Get the dimension of the assigned datasets
ji.ds.dim(datasources=opals, x=quote(D))

# Example 2: Input has to be either matrix, data frame or an array
ji.ds.dim(datasources=opals, x=quote(D$LAB_TSC))
}