Converting time variable to numeric

Hi, I have calculated the difference in hours between time of blood draw and baseline of 07:00. My variable of interest is called hourDiff and is formatted as a time variable. I am using "lubridate". How can I convert this "hourDiff" variable to numeric? When I plot the distribution of hours since baseline, the x-axis shows the time stamps, and they are not time stamps but accumulated hours since baseline.


Can you please share a small part of the data set in a copy-paste friendly format?

In case you don't know how to do it, there are many options, which include:

  1. If you have stored the data set in some R object, dput function is very handy.

  2. In case the data set is in a spreadsheet, check out the datapasta package. Take a look at this link.

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