Description Usage Arguments Value
filter_crf()
filters out cases which have previously answered the survey
or were not at work within days
days of their onset/test date.
1 | filter_crf(data = download_crf(), days = 5L, na_keep = TRUE)
|
data |
A data frame with data from the CRF REDcap project, as output by
|
days |
The maxmimum allowed difference between last day worked
( |
na_keep |
Should missing data be kept or excluded? |
The input data
filtered according to the description above
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