This function standardizes the strength entity.
character vector of extracted strength values
character vector of extracted frequency values
Some strength strings may include multiple values and additional interpretation may be needed. For example ‘2-1’ likely indicates a strength of 2 followed by a strength of 1. Thus a single element may need to be standarized into two elements. This can only happen if the frequency entity is missing or in agreement (‘bid’ for example). See the ‘addl_data’ attribute of the returned vector.
stdzStrength(c('1.5', '1/2', '1/1/1')) stdzStrength(c('1.5', '1/2', '1/1/1'), c('am', 'daily', NA)) stdzStrength(c('1.5', '1/2', '1/1/1'), FALSE)
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