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126 commits

Author SHA1 Message Date
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
Ankit Agarwal
349c44128d MDL-60944 analytics: Add base support for import / export 2019-02-25 09:54:07 +01:00
David Monllao
e0c889978f MDL-64320 analytics: Validate discrete indicators separately 2019-01-30 12:11:08 +01:00
Michael Hawkins
1170b1e0aa MDL-63700 core_analytics: Add support for removal of context users 
This issue is a part of the MDL-62560 Epic.
 2018-10-31 13:40:51 +08:00
David Monllao
ba0a68e254 MDL-60520 analytics: Set predictor at model level during testing 2018-10-22 13:58:33 +02:00
Ryan Wyllie
28b870b4de MDL-62218 analytics: make privacy test class name more unique 2018-05-04 11:04:24 +08:00
David Monllao
97b0a6cbfc MDL-62218 analytics: Privacy API implementation 2018-05-03 15:28:22 +02:00
Eloy Lafuente (stronk7)
2c28cadac1 MDL-61223 course: amend test setup to keep passing and covering case 2018-04-02 12:00:54 +02:00
David Monllao
ba211d5678 MDL-61062 analytics: Fix unit test wrong statement 2017-12-20 07:29:01 +01:00
Ankit Agarwal
fabe98ac92 MDL-60861 analytics: Enabling a model requires timesplitting 2017-12-11 10:47:01 +05:30
David Monllao
19bf156be9 MDL-60780 analytics: Prevent timing issues 2017-11-16 09:17:46 +01:00
David Monllao
36e84e96fc MDL-59256 analytics: Move get_activities test scope 2017-11-03 12:42:20 +01:00
David Monllao
3a89d0b541 MDL-60434 analytics: Analysables lazy loading 2017-10-25 14:16:35 +02:00
David Monllao
b8bb8fe8de MDL-60434 analytics: Remove legacy is_valid method 
This method was used when the API was tied to students at risk model,
this method does not make sense any more as it is up to each target
to define what is a valid course.
 2017-10-25 12:47:12 +02:00
David Monllao
28c97d1b76 MDL-60375 analytics: Fix incorrect var reference 2017-10-19 08:48:11 +02:00
David Monllao
2dca133916 MDL-59988 analytics: Process pending training and prediction files 2017-10-13 12:29:21 +02:00
David Monllao
325b3bdd8e MDL-59988 analytics: Files marked as used only if valid 
- Basic unit test for minimum machine learning backends requirements
- Warning return messages now include not enough data
- Clear models when the predictions processor is changed
- Refined the name of a couple of constants / methods
 2017-10-13 12:24:17 +02:00
David Monllao
dd13fc222c MDL-59694 analytics: Track processed analysables 2017-10-09 07:47:28 +02:00
Andrew Nicols
1afd3c72aa Merge branch 'MDL-59630_master' of git://github.com/dmonllao/moodle 2017-10-05 14:56:57 +08:00
David Monllao
abafbc8405 MDL-59630 analytics: mlbackend model directories deletion 2017-10-03 10:34:47 +02:00
David Monllao
f9222c4953 MDL-59630 analytics: New clean up task 2017-10-03 10:34:43 +02:00
David Monllao
99b84a26f9 MDL-59630 analytics: Purge everything when the model is deleted 2017-10-03 10:07:32 +02:00
David Monllao
aa1b04dc81 MDL-60003 analytics: Skip samples with only null values 2017-09-28 16:56:33 +02:00