Hello - I have imported timestamp data (collected in OpenSHAPA) into R as .csv file. Some columns in the data frame have timestamps in the format HH:MM:SS:sss. I have not found a package that will allow simple addition and subtraction of columns with this format, although 'strptime' in 'library(timeDate)' looked promising. The problem with the timeDate package is that it does not seem to support timestamps down to milliseconds. Are there any solutions available or packages that the community recommends? Thanks you.
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