Troy questions

Troy answers

• to match images in R based on their pixels value
• why does rep() behave inconsistently with this simple R example?
• average number of words in a character vector in R
• Performing constant interpolation in R
• Plot curved lines between two locations in ggplot2
• Row wise operation on data.table
• How can you get ggplot2 to display an inset figure when the main one has a log scale?
• Pulling data from a different data.frame with dplyr?
• sample rows of subgroups from dataframe with dplyr
• Selecting a subset where a categorical variable (column) can have 2 values