/usr/lib/R/site-library/haven/INDEX is in r-cran-haven 1.1.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 | as_factor               Convert input to a factor.
labelled                Create a labelled vector.
labelled_spss           Labelled vectors for SPSS
print_labels            Print the labels of a labelled vector
read_dta                Read and write Stata DTA files.
read_sas                Read and write SAS files.
read_spss               Read SPSS (SAV & POR) files. Write SAV files.
read_xpt                Read and write SAS transport files
tagged_na               "Tagged" missing values
zap_empty               Convert empty strings into missing values.
zap_formats             Remove format attributes
zap_labels              Zap labels
zap_missing             Zap special missings to regular R missings
zap_widths              Remove display width attributes
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