To provide some mild support for round-tripping variables between Stata/SPSS
and R, haven stores variable formats in an attribute: format.stata
,
format.spss
, or format.sas
. If this causes problems for your
code, you can get rid of them with zap_formats
.
zap_formats(x)
A vector or data frame.
Other zappers: zap_empty
,
zap_labels
, zap_label
,
zap_widths