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98 Commits

Author SHA1 Message Date
David Monllaó
16cb4f32a0 MDL-66536 analytics: Indicators can add extra data for targets 2019-09-18 13:07:21 +08:00
Andrew Nicols
82704b0d2e Merge branch 'MDL-66498_master' of git://github.com/dmonllao/moodle 2019-09-12 11:15:21 +08:00
David Monllaó
abc745fbd0 MDL-66498 analytics: get_samples() with no params limit 2019-09-11 12:44:55 +08:00
David Monllao
500111c5d3 MDL-66498 analytics: SQL IN in chunks 2019-09-11 12:44:55 +08:00
Vlad Apetrei
8cb90066d4 MDL-58992 analytics: add multi-classification to predictors 
Adds multi-class capabilities to prediction processors
as well as multi-classification unit tests
 2019-09-09 08:49:56 +08:00
Jun Pataleta
74a9ee3277 Merge branch 'MDL-66241_master' of git://github.com/dmonllao/moodle 2019-08-21 19:52:03 +08:00
Jun Pataleta
7c50f31dad Merge branch 'MDL-66210_master' of git://github.com/dmonllao/moodle 2019-08-21 19:48:10 +08:00
Víctor Déniz Falcón
93c539d220 MDL-66311 core_analytics: better handling of action menus in behat tests 2019-08-20 22:58:33 +01:00
David Monllaó
2bbe76bf06 MDL-66210 analytics: Unit test for reuseprevanalysed 2019-08-14 14:31:54 +08:00
David Monllaó
6981d823a2 MDL-66241 analytics: Verify that activities_due works on at-risk 2019-08-14 14:29:16 +08:00
Victor Deniz Falcon
a9e58c14f9 MDL-58974 core_analytics: Add behat tests 
Behat testing to cover model management and predictions generation
and visualization.
 2019-07-31 11:13:05 +01:00
David Monllaó
5ef49c591a MDL-65633 tool_analytics: Notification for invalid analysis intervals 2019-07-18 18:38:13 +02:00
David Monllaó
3cb0aaaa8c MDL-65633 analytics: New interfaces for time-splitting methods 2019-07-18 18:38:13 +02:00
David Monllaó
b209893dd0 MDL-65769 mlbackend_php: Proper algo init & unit test fix 2019-07-12 06:28:31 +08:00
David Monllaó
1d5cb38292 MDL-65562 analytics: New get_prediction_actions API 2019-07-09 13:36:11 +02:00
Andrew Nicols
a2f81b201e MDL-65656 analytics: Stop covering memory-intensive tests 2019-06-04 10:16:50 +08:00
David Monllaó
73f8085f3f MDL-65680 analytics: Fix random failure on slow test environments 2019-05-24 10:59:13 +02:00
Adrian Greeve
d15589bc08 Merge branch 'MDL-65601_master' of git://github.com/dmonllao/moodle 2019-05-16 13:25:44 +08:00
David Monllaó
589a3f57a0 MDL-65601 analytics: Add missing set_modelid calls 2019-05-15 09:34:35 +02:00
David Monllaó
bc2f679bca MDL-65582 analytics: Upcoming activities due enabled by default 2019-05-13 18:04:13 +02:00
David Monllaó
352ab7464e MDL-65348 analytics: Upcoming periodic from time() 2019-04-29 16:51:04 +02:00
Eloy Lafuente (stronk7)
0d575a542a Merge branch 'MDL-65248_master' of git://github.com/dmonllao/moodle 2019-04-23 13:50:22 +02:00
David Monllaó
7063b665e0 MDL-65248 core_course: Move analytics targets to course 
MOV [coursealreadyfinished, moodle], [coursealreadyfinished, course]
MOV [coursenotyetstarted, moodle], [coursenotyetstarted, course]
MOV [coursenotyetfinished, moodle], [coursenotyetfinished, course]
MOV [nocourseactivity, moodle], [nocourseactivity, course]
MOV [nocourseendtime, moodle], [nocourseendtime, course]
MOV [nocoursesections, moodle], [nocoursesections, course]
MOV [nocoursestudents, moodle], [nocoursestudents, course]
MOV [studentsatriskincourse, moodle], [studentsatriskincourse, course]
MOV [target:coursecompletion, moodle], [target:coursecompletion, course]
MOV [target:coursecompletion_help, moodle], [target:coursecompletion_help, course]
MOV [target:coursecompetencies, moodle], [target:coursecompetencies, course]
MOV [target:coursecompetencies_help, moodle], [target:coursecompetencies_help, course]
MOV [target:coursedropout, moodle], [target:coursedropout, course]
MOV [target:coursedropout_help, moodle], [target:coursedropout_help, course]
MOV [target:coursegradetopass, moodle], [target:coursegradetopass, course]
MOV [target:coursegradetopass_help, moodle], [target:coursegradetopass_help, course]
MOV [target:noteachingactivity, moodle], [target:noteachingactivity, course]
MOV [target:noteachingactivity_help, moodle], [target:noteachingactivity_help, course]
MOV [target:upcomingactivitiesdue, moodle], [target:upcomingactivitiesdue, course]
MOV [target:upcomingactivitiesdue_help, moodle], [target:upcomingactivitiesdue_help, course]
MOV [targetlabelstudentcompletionno, moodle], [targetlabelstudentcompletionno, course]
MOV [targetlabelstudentcompletionyes, moodle], [targetlabelstudentcompletionyes, course]
MOV [targetlabelstudentcompetenciesno, moodle], [targetlabelstudentcompetenciesno, course]
MOV [targetlabelstudentcompetenciesyes, moodle], [targetlabelstudentcompetenciesyes, course]
MOV [targetlabelstudentdropoutyes, moodle], [targetlabelstudentdropoutyes, course]
MOV [targetlabelstudentdropoutno, moodle], [targetlabelstudentdropoutno, course]
MOV [targetlabelstudentgradetopassno, moodle], [targetlabelstudentgradetopassno, course]
MOV [targetlabelstudentgradetopassyes, moodle], [targetlabelstudentgradetopassyes, course]
MOV [targetlabelteachingyes, moodle], [targetlabelteachingyes, course]
MOV [targetlabelteachingno, moodle], [targetlabelteachingno, course]
MOV [coursetoolong, analytics], [coursetoolong, course]
MOV [errorendbeforestart, analytics], [errorendbeforestart, course]
 2019-04-15 09:45:50 +02:00
David Monllaó
5f1f0ee6a1 MDL-65175 analytics: Time-splittings can be invalid for evaluation 2019-04-10 12:19:52 +02:00
David Monllaó
baa6c29cc1 MDL-65175 analytics: Rm references to unexisting time-splittings 2019-04-10 12:19:52 +02:00
David Monllaó
982fef46f4 MDL-64783 analytics: Activities due insight forwards to calendar 
The patch includes changes applied after the peer review.
 2019-04-09 00:29:57 +02:00
David Monllaó
fccc728fcc MDL-64783 analytics: Performance improvements 
- Removed redundant query to analytics_predict_samples
- Analysers API now uses recordsets to iterate through the analysable
  elements. They take the last analysed time into account.
- New method for targets so there is no need to always update the last
  analysis time. Useful for lightweight targets.
 2019-04-09 00:29:57 +02:00
David Monllaó
9f690999ec MDL-64783 analytics: Performance improvements and internal refactoring 
The base classes analyser and time-splitting method had too many
reponsibilities. A new analysis class has been created.
 2019-04-09 00:26:39 +02:00
David Monllaó
e85c2f372b MDL-64783 analytics: Improvements to the insights system 2019-04-09 00:26:23 +02:00
David Monllaó
50935afba4 MDL-64783 analytics: Upcoming activities due and related API changes 2019-04-09 00:25:24 +02:00
Eloy Lafuente (stronk7)
481c1ae4ce Merge branch 'MDL-64779_master' of git://github.com/dmonllao/moodle 2019-04-02 23:23:13 +02:00
David Mudrák
606c3be0f6 MDL-61667 analytics: Create missing models on install/upgrade 
Similarly to how the scheduled tasks work, we now automatically check
and make sure that all the models specified in the component's
db/analytics.php file exist during the installation or upgrade of the
component.
 2019-04-01 14:23:06 +02:00
David Mudrák
aa8af6fcfc MDL-61667 analytics: Fix checking that a given model does not exist 
The original implementation did not work well for checking that the
given model does NOT exist. If no record was found in the
analytics_models table, the code execution continued and it reached the
moment when indicators were checked. If no indicators were provided, the
call ended up with error 'array_keys() expects parameter 1 to be array,
boolean given' (because indicators were set to false).
 2019-04-01 14:23:06 +02:00
David Mudrák
3b7c7918f3 MDL-61667 analytics: Deprecate the add_builtin_models() method 
The functionality of the \core_analytics\manager::add_builtin_models()
method is to be replaced with automatic update of models provided by the
core moodle component. There is no need to call this method explicitly
any more. Instead, adding new models will be done by updating the
lib/db/analytics.php file and bumping the core version.
 2019-04-01 14:23:06 +02:00
David Mudrák
6187213f39 MDL-61667 analytics: Add method to actually create a declared model 
This is simply a wrapper around the model's create() method that works
with the model declaration syntax from the db/analytics.php file.
 2019-04-01 14:23:06 +02:00
David Mudrák
f05840451e MDL-61667 analytics: Add methods to read and validate model declarations 
Allow every component to declare prediction models it provides via the
db/analytics.php file.
 2019-04-01 14:23:06 +02:00
David Mudrák
4de4d1652b MDL-61667 analytics: Don't autoenable models with time splitting defined 
When the API had originally been designed, it was assumed that the
presence of the time splitting method implies no requirement for the
machine learning backend and that it is a sign of less performance
demanding models. So it seemed to be safe and useful to have such models
automatically enabled. That assumption did not prove to be valid. Most
of the time is spent calculating indicators that depend on log tables.

We realized it would be useful to be able to specify the default time
splitting method without the need to have such models auto-enabled.
 2019-04-01 14:23:06 +02:00
David Monllaó
75dfc588b5 MDL-64779 tool_analytics: Export selector 2019-04-01 13:56:37 +02:00
David Mudrák
c679d39c36 MDL-64996 analytics: Don't mark static model as untrained after clearing 
Static predictions models (i.e. those using a target based on
assumptions, not facts) are always considered as trained. Clearing them
must not mark them as untrained. Doing so would make them being skipped
by the prediction scheduled task.
 2019-03-25 08:56:11 +01:00
David Monllaó
3576b66bfd MDL-60936 analytics: Timesplittings setting only for evaluation 2019-03-18 09:34:52 +01:00
Eloy Lafuente (stronk7)
f7e183e513 Merge branch 'MDL-64777-master-modelsrestore' of git://github.com/mudrd8mz/moodle 2019-04-15 23:37:43 +02:00
David Mudrák
066a4d6493 MDL-64786 analytics: Allow renaming models via inplace editable element 2019-04-15 08:22:13 +02:00
David Mudrák
7dba0c27ad MDL-64777 analytics: Add method to get target and indicators instances 
This will be needed in some other places, too.
 2019-04-15 08:16:58 +02:00
David Mudrák
1297fa4156 MDL-64777 analytics: Add method to load all model definitions 2019-04-15 08:16:58 +02:00
David Mudrák
01d620ee67 MDL-64777 analytics: Add method for identifying a model declaration 
This is intended to be used to as a declaration identifier in HTML or as
a HTTP parameter value.
 2019-04-15 08:16:58 +02:00
Adrian Greeve
fa50232ff7 Merge branch 'MDL-64477-master-lastats' of git://github.com/mudrd8mz/moodle 2019-03-12 13:36:43 +08:00
David Mudrák
5e9b091248 MDL-64477 analytics: Introduce a new \core_analytics\stats class 
The purpose of the class is to provide stats and meta data about how the
analytics is used on the site.
 2019-03-11 10:23:25 +01:00
David Monllaó
bc82b89586 MDL-64787 mlbackend: Evaluate trained models 2019-03-07 20:43:30 +01:00
David Monllaó
c70a7194f4 MDL-60944 analytics: Include trained ML models 2019-02-26 10:58:41 +01:00
David Monllaó
e4453adc55 MDL-60944 tool_analytics: Adding create and delete features 
Extra modifications to refine the preexisting patch.
 2019-02-25 09:54:07 +01:00