Create a dataset with implicit null for every selected columns
Arguments
- imp
A list of implicit null data derived from get_implicit_col function
- year
Selected year from the dataset
- colstr
Column structure or Class type
- level
Geographical granularity for aggregating data. See
getOption("orgdata.geo.levels")
See also
Other implicit-null functions:
do_implicit_null()
,
find_implicit_col()
,
get_implicit_col()
,
get_implicit_per_year()
,
get_implicit_ref()