Tutorial of Data Extraction Module

Data Extraction Module has the functions to extract required information.
The functions in this module receive the instance of EventStream or converted class and return the extracted result.
../_images/extract_example.png
The functions in below table are available now.
The documentation is in Data Extraction Module Document

function

description

select_user


Extract the log of specific user(s)
For EventStream, OperationCount, PageWiseAggregation, PageTransition, and TimeRangeAggregation

select_contents


Extract the log of specific content(s)
For EventStream, OperationCount, PageWiseAggregation, PageTransition, and TimeRangeAggregation

select_operation

Extract the log of specific operation(s). For EventStream.

select_time

Extract the log recorded at specific time

select_by_lecture_time

Extract the log after, before, or during lecture(s). For EventStream.

select_page

Extract the log recorded in specific page(s). For EventStream.

select_marker_type

Extract the log of specific marker type. For EventStream.

select_device

Extract the log recorded by specific device. For EventStream.

select_memo_length

Extract the log of specific length of notes. For EventStream.

Example