add_subset | Adds subset column to student activity dataframes |
clean_khanmath | Clean Khan exercise data so it can be joined with state... |
clean_map | Clean MAP data so it can be joined with Khan exercise and... |
clean_states | Cleans Khan state change data so it can be joined with... |
generate_activity | Clean and merge MAP, Khan, and item difficulty data. |
get_item_history | Get an item's mastery history |
parse_wide_states | Take Khan state change data in wide format and turn it into... |
plot_activity | Creates plot showing MAP test scores and khan activity. |
populate_map | Add needed columns to student's map data to concatenate with... |
reshape_states | Reshapes Khan state data that has been cleaned into wide... |
update_diffs | Uses student activity data to update item difficulties. |
update_proficiencies | Uses the ELO Rating system to estimate a student's current... |
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