Susetting operator for Spark dataframe allowing a subset of column(s) to be
selected using syntaxes similar to those supported by R dataframes
# S3 method for class 'tbl_spark'
x[i]
Arguments
- x
The Spark dataframe
- i
Expression specifying subset of column(s) to include or exclude
from the result (e.g., `["col1"]`, `[c("col1", "col2")]`, `[1:10]`, `[-1]`,
`[NULL]`, or `[]`)