lmo questions

lmo answers

• Generating lists in R with patterns related to the entry number
• Partition matrix into N equally-sized chunks with R
• Create a binary adjacency matrix from a vector of indices
• Create data partition into training, testing and validation - split in R
• get column name that matches specific row value in dataframe
• Why subset doesn't mind missing subset argument for dataframes?
• Select the nth value of aggregated column after group by in R
• vector into block matrix
• Repeat vector to fill down column in data frame
• Return last data frame column which is not NA