Andrew Gustar questions

Andrew Gustar answers

• Y axis doesn't display in R histogram of relative frequencies
• How do I weigh stat_smooth with the inverse of the number of values in ggplot2
• applying function to each group using dplyr and return specified dataframe
• Concatenate string columns and order in alphabetical order
• How to store output of a loop when resampling of parameter values for simultaneous equations in R?
• How to convert a character timestamp into a date-time object in R
• How to limit possible variations of expand.grid using a condition? [duplicate]
• Subsetting dataframe using conditions and saving each subset as a new dataframe
• ggplot legend: geom_abline interference
• R use str_extract (stringr) to export a string between "_"