calc_user_state: Calculate the user state from user events.

In triglian/asqr: Utilities for ASQ analysis

Description

Given a date.frame timeline where each subsequent row corresponds to the next a second of a lecture and the events for a single user, it calculates the state of the user for each second of the lecture as 6 different indicators:

Usage

calc_user_state(timeline, user_events, from, to)

Arguments

timeline	date.frame Each row represents a second in the lecture.
user_events	date.frame Events from a single user during the lecture.
from	POSIXct pick user events that happend since the value of this variable.
to	POSIXct pick user events that happend up to the value of this variable.

Details

hasExercise, connected, visible, focus, idle, input and submitted.

Value

An updated timeline data.table with the user states.

triglian/asqr documentation built on May 31, 2019, 7:53 p.m.