Displaying 1 result from an estimated 1 matches for "tp4562919p4563031".
2012 Apr 16
3
Select rows based on condition
Hi,
I am relatively new to R and I am trying to figure out how to select rows of
my data based on a condition.
For example in the dataset below multiple observers recorded data at the
same point on the same date and the data was recorded on separate rows, but
I only need one of the rows of data. Is it possible to use grep to search
for rows that have matching PtName and Date and then select the