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Add Standard Deviation calculations and student rating

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This commit is contained in:
Robin Yang 2016-09-22 14:43:13 -07:00
parent 4f28febd9c
commit f78464e7d9
2 changed files with 169 additions and 56 deletions
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73
app/templates/teachers/teacher-student-view.jade
View file

@ -12,44 +12,44 @@ block content
+breadcrumbs
if !me.isAnonymous() && me.isTeacher()
- var isOwner = view.classroom ? view.classroom.get('ownerID') === me.id : false;
// - var validStudent = ...
// load all students in this class
// check if this student is in the class
if isOwner
// also check if validStudent
h3(class="m-t-2")
span(data-i18n="teacher.student_profile")
span.spr :
span= view.user.get('name')
// this user object doesn't have an email property
h4(class="student-details" data-i18n="teacher.student_overview")
if (view.user.get('email'))
div(class="small-details")
span(data-i18n="teacher.student_email")
h3(class="m-t-2")
span(data-i18n="teacher.student_profile")
span.spr :
span= view.user.get('email')
else
div(class="small-details")
i(data-i18n="teacher.no_email")
div(class="small-details")
span(data-i18n="user.last_played")
span.spr :
span= view.lastPlayedString
div(class="small-details")
- var status = view.user.prepaidStatus()
span(data-i18n='view.user.status')
span.spr
span(data-i18n="teacher.license_status")
span.spr :
strong(class= status === 'expired' ? 'text-danger' : '')= view.studentStatusString()
//-
//- svg#visualisation(width="1000", height="520")
//-
span= view.user.get('name')
.classroom-info-row.container-fluid.row
.overview.col-md-4
h4(class="student-details" data-i18n="teacher.student_overview")
if (view.user.get('email'))
div(class="small-details")
span(data-i18n="teacher.student_email")
span.spr :
span= view.user.get('email')
else
div(class="small-details")
i(data-i18n="teacher.no_email")
div(class="small-details")
span(data-i18n="user.last_played")
span.spr :
span= view.lastPlayedString
div(class="small-details")
- var status = view.user.prepaidStatus()
span(data-i18n='view.user.status')
span.spr
span(data-i18n="teacher.license_status")
span.spr :
strong(class= status === 'expired' ? 'text-danger' : '')= view.studentStatusString()
.performance.col-md-8
h4.student-details
span Recommendation
div.small-details
span Performance:
div.playtime-charts
// i18n needed
.playtime-charts
h4(data-i18n="teacher.playtime_detail")
.graphsSelector
@ -64,6 +64,7 @@ block content
- var instance = view.courseInstances.findWhere({ courseID: course.id, classroomID: view.classroom.id })
- if ((instance && instance.hasMember(view.user)))
option(value=course.id)=course.get('name')
div.legend
svg(width=15, height=15, style="margin: 0 5px 0 0")
rect(width=15, height=15,fill="rgb(32, 87, 43)")
@ -82,6 +83,10 @@ block content
- var course = _.find(view.courses.models, function(c) {return c.id === versionedCourse._id;});
if !course
- continue;
//- - var rate = _.find(view.courseComparisonMap, function(c) {return c.id === versionedCourse._id;});
//- - console.log (rate);
//- - console.log (rate.rate);
//- span= _.find(view.courseComparisonMap)
- var instance = view.courseInstances.findWhere({ courseID: course.id, classroomID: view.classroom.id })
- if ((instance && instance.hasMember(view.user)))
svg(id='visualisation-'+versionedCourse._id, width="1142", height="600")

152
app/views/teachers/TeacherStudentView.coffee
View file

@ -9,12 +9,6 @@ User = require 'models/User'
Users = require 'collections/Users'
CourseInstances = require 'collections/CourseInstances'
require 'vendor/d3'
# Users = require 'collections/Users'
# helper = require 'lib/coursesHelper'
# popoverTemplate = require 'templates/courses/classroom-level-popover'
# Prepaids = require 'collections/Prepaids'
# utils = require 'core/utils'
# CocoCollection = require 'collections/CocoCollection'
@ -37,24 +31,13 @@ module.exports = class TeacherStudentView extends RootView
@supermodel.trackRequest(@classroom.fetch())
@courses = new Courses()
# @courses.comparator = '_id'
# @courseInstances = new CocoCollection([], { url: "/db/course_instance", model: CourseInstance})
# @courseInstances.comparator = 'courseID'
# @supermodel.loadCollection(@courseInstances, { data: { classroomID: classroomID } })
# @listenToOnce @courses, 'sync', @onCourseInstancesSync
@supermodel.trackRequest(@courses.fetch({data: { project: 'name' }}))
@courseInstances = new CourseInstances()
@supermodel.trackRequest @courseInstances.fetchForClassroom(classroomID)
@levels = new Levels()
# @levels.fetchForClassroom(classroomID, {data: {project: 'name,original,practice,slug'}})
# @levels.on 'add', (model) -> @_byId[model.get('original')] = model # so you can 'get' them
@supermodel.trackRequest(@levels.fetchForClassroom(classroomID, {data: {project: 'name,original'}}))
#
# @user = new User({_id: studentID})
# @supermodel.trackRequest(@user.fetch())
@urls = require('core/urls')
@ -69,6 +52,7 @@ module.exports = class TeacherStudentView extends RootView
@updateLastPlayedString()
@updateLevelProgressMap()
@updateLevelDataMap()
@calculateStandardDev()
@render()
super()
@ -95,11 +79,122 @@ module.exports = class TeacherStudentView extends RootView
$("[id|='visualisation']").hide()
$(selected).show()
calculateStandardDev: ->
return unless @courses.loaded and @levels.loaded and @sessions?.loaded and @levelData
@courseComparisonMap = []
for versionedCourse in @classroom.get('courses') ? []
course = _.find @courses.models, (c) => c.id is versionedCourse._id
numbers = []
studentRate = 0
members = 0 #this is the COUNT for our standard deviation
for member in @classroom.get('members')
NUMBER = 0
memberBit = 0
for versionedLevel in versionedCourse.levels
for session in @sessions.models
if session.get('level').original == versionedLevel.original and session.get('creator') == member
# TODO IMPORTANT: only add number if @studentID in levelProgressMap has complete or started for the corresponding level
# in @levelData there's a levelProgress. If for this levelID, levelProgress = complete or started, go ahead.
temp = _.findWhere(@levelData, {levelID: session.get('level').original})
if temp.levelProgress == 'complete' or temp.levelProgress == 'started'
NUMBER += session.get('playtime') or 0
memberBit += 1
if session.get('creator') is @studentID
studentRate += session.get('playtime') or 0
if memberBit > 0 then members += 1
numbers.push NUMBER
# add all numbers[]
SUM = 0
for num in numbers
SUM += num
# divide by members to get MEAN, remember MEAN is only an average of the members' performance on levels THIS student has done.
MEAN = SUM/members
# make new list diffSquared[]
diffSquared = []
# for each number in numbers[], subtract MEAN then SQUARE, put new number in diffSquared
for num in numbers
diffSquared.push ((num-MEAN)*(num-MEAN))
# add all diffSquared[] then divide by COUNT to get VARIANCE
diffSum = 0
for num in diffSquared
diffSum += num
VARIANCE = (diffSum / members)
# square root of VARIANCE is standardDev
StandardDev = Math.sqrt(VARIANCE)
perf = 0
if studentRate > MEAN
perf -=1
if studentRate > (MEAN + StandardDev)
perf -= 1
if studentRate > (MEAN + (StandardDev*2))
perf -=1
else if studentRate < MEAN
perf += 1
if studentRate < (MEAN - StandardDev)
perf +=1
if studentRate < (MEAN - (StandardDev*2))
perf +=1
# perf 1 and -1 are within 1 std, perf 2 is AMAZING, perf -2 needs some help
# can consider doing half of standard dev to capture more granularity
@courseComparisonMap.push {
courseID: course.get('_id')
student: studentRate
standardDev: StandardDev
mean: MEAN
performance: perf
}
console.log (@courseComparisonMap)
# calculateStandardDev: ->
# return unless @courses.loaded and @levels.loaded and @sessions?.loaded
#
# @courseComparisonMap = []
# for versionedCourse in @classroom.get('courses') ? []
# course = _.find @courses.models, (c) => c.id is versionedCourse._id
# # @courseTotal = 0
# @studentLevelsPlayed = 0 # count for standard deviation
# for versionedLevel in versionedCourse.levels
# @playTime = 0 # this should probably only count when the levels are completed
# # @timesPlayed = 0
# @studentTime = 0
# # @levelProgress = 'not started'
# for session in @sessions.models
# if session.get('level').original == versionedLevel.original
# # if @levelProgressMap[versionedLevel.original] == 'complete' # ideally, don't log sessions that aren't completed in the class
# @playTime += session.get('playtime') or 0
# # @timesPlayed += 1
# if session.get('creator') is @studentID
# @studentLevelsPlayed += 1
# @studentTime = session.get('playtime') or 0 # this can be null, apparently.
# # if @levelProgressMap[versionedLevel.original] == 'complete'
# # @levelProgress = 'complete'
# # else if @levelProgressMap[versionedLevel.original] == 'started'
# # @levelProgress = 'started'
# classAvg = if @timesPlayed and @timesPlayed > 0 then Math.round(@playTime / @timesPlayed) else 0 # only when someone other than the user has played
# # console.log (@timesPlayed)
# # @performance = if classAvg isnt 0 and @levelProgress isnt 'not started' then ((classAvg - @studentTime)/classAvg)*100 else 0
# # @courseTotal += @performance
#
# @courseComparisonMap.push {
# courseID: course.get('_id')
# # rate: if @studentLevelsPlayed isnt 0 then (@courseTotal / @studentLevelsPlayed) else null
# studentRate: null
# standardDev: null
# }
# console.log (@courseComparisonMap)
# hide() all the others
drawBarGraph: ->
return unless @courses.loaded and @levels.loaded and @sessions?.loaded and @levelData
return unless @courses.loaded and @levels.loaded and @sessions?.loaded and @levelData and @courseComparisonMap
WIDTH = 1142
HEIGHT = 600
@ -110,7 +205,6 @@ module.exports = class TeacherStudentView extends RootView
left: 70
}
# console.log (@classroom)
for versionedCourse in @classroom.get('courses') ? []
# this does all of the courses, logic for whether student was assigned is in corresponding jade file
@ -119,8 +213,13 @@ module.exports = class TeacherStudentView extends RootView
for level in @levelData when level.courseID is versionedCourse._id
courseLevelData.push level
course = _.find @courses.models, (c) => c.id is versionedCourse._id
# rate = null
# for course in @courseComparisonMap when course.courseID is versionedCourse._id
# if course.rate isnt null
# rate = (course.rate).toFixed(2)
# console.log (rate)
course = _.find @courses.models, (c) => c.id is versionedCourse._id
levels = @classroom.getLevels({courseID: course.id}).models
@ -179,6 +278,15 @@ module.exports = class TeacherStudentView extends RootView
.text("Levels in " + (course.get('name')))
.style("text-anchor", "middle")
# if rate isnt 0 and rate isnt null
# if rate > 0 then rate = "+" + rate
# labels.append("text")
# .attr("x", WIDTH - 50)
# .attr("y", HEIGHT - 10)
# .text("Student Course Speed: " + rate + "%")
# .style("text-anchor", "end")
# .style("fill", (d) -> if rate > 0 then "green" else "red")
onClassroomSync: ->
# Now that we have the classroom from db, can request all level sessions for this classroom
@ -305,7 +413,7 @@ module.exports = class TeacherStudentView extends RootView
else if @levelProgressMap[versionedLevel.original] == 'started'
@levelProgress = 'started'
classAvg = if @timesPlayed and @timesPlayed > 0 then Math.round(@playTime / @timesPlayed) else 0 # only when someone other than the user has played
console.log (@timesPlayed)
# console.log (@timesPlayed)
@levelData.push {
levelID: versionedLevel.original
levelIndex: @classroom.getLevelNumber(versionedLevel.original)