Displaying 1 result from an estimated 1 matches for "mapping1".
Did you mean:
mapping
2012 Jul 20
1
conditional subset and reorder dataframe rows
Hi List
I have a dataframe (~1,200,000 rows deep) and I'd like to conditionally reorder groups of rows in this dataframe.
I would like to reorder any rows where the Chr.Strand column contains a '-' but reorder within subsets delineated by the Probe.Set.Name column.
# toy example ####
library(plyr)
negStrandGene <- data.frame(Probe.Set.Name =