Ben questions

Ben answers

• How to segregate a vector/variable in two states depending upon percent increase of decrease from its previous value
• adding a count button to a shiny app that interacts with updateNumericInput
• Complex reshaping from wide to long in R (pulling multiple things from original variable name)
• Add row to dataframe based on condition of previous row in R
• Difference between two groups, data processing
• Cumulative points over year on map with R ggplot2 and ggplotly
• Labeling extrema with stat_peaks/stat_valleys produces duplicate labels
• Only Use The First Match For Every N Rows
• Problem with data frame transformation using dplyr package
• collapse only the 1st column of dataframe in R with remaining columns data intact