Calculate time difference
I have a set od data, In the script I call it RTDT. It contains a Time, Sub_name and Substrate_ID columns. I am trying to calculate the time difference between the first time and last time a unique Sub_name and Substrate_ID are listed. They will be listed sequentially for each unique Sub_name and Substrate_ID. My code is as follows:
RTDT << New Column( "Runtime", Numeric, "Continuous", Format( ...