collapse-internal | R Documentation |
These internal functions aid the main functions used in the collapse
process (collapseDose
, makeDose
).
qrbind
: fast version of rbind.data.frame
nowarnnum
: converts a variable to numeric and suppresses warnings
most
: returns the mode
pairDay
: calculates daily dose for dose sequences
mergeAdjacent
: collapses adjacent rows that have a drug name change
borrowFreqDoseSeq
: imputes a frequency of 'pm' if the preceding row has a frequency of 'am' or 'noon' and there is a 'pm' elsewhere in the note
borrowVal
: borrow a unique value within a drug mention
reOrder
: order rows
borrowWithinDoseSeq
: borrow values within a dose sequence
calcDailyDose
: calculates daily dose
daySeqDups
: look for duplicate dose sequence
rmDuplicates
: removes redundant rows
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