[{"data":1,"prerenderedAt":354},["ShallowReactive",2],{"learn-methodology-en":3},{"id":4,"title":5,"body":6,"dateModified":341,"datePublished":342,"description":343,"extension":344,"headline":345,"imageAlt":346,"meta":347,"navigation":348,"path":349,"seo":350,"stem":352,"__hash__":353},"content_en\u002Fmethodology.md","How myRScore estimates your R score",{"type":7,"value":8,"toc":330},"minimark",[9,14,18,224,233,237,247,255,259,294,298,301,304,308,323,327],[10,11,13],"h2",{"id":12},"what-the-tool-calculates","What the tool calculates",[15,16,17],"p",{},"A course's R score follows the official formula:",[19,20,23],"span",{"className":21},[22],"katex-display",[19,24,27,88],{"className":25},[26],"katex",[19,28,31],{"className":29},[30],"katex-mathml",[32,33,36],"math",{"xmlns":34,"display":35},"http:\u002F\u002Fwww.w3.org\u002F1998\u002FMath\u002FMathML","block",[37,38,39,83],"semantics",{},[40,41,42,46,50,54,58,61,64,67,70,72,76,79,81],"mrow",{},[43,44,45],"mtext",{},"R score",[47,48,49],"mo",{},"=",[47,51,53],{"stretchy":52},"false","(",[55,56,57],"mi",{},"Z",[47,59,60],{},"×",[43,62,63],{},"IDGZ",[47,65,66],{},"+",[43,68,69],{},"IFGZ",[47,71,66],{},[73,74,75],"mn",{},"5",[47,77,78],{"stretchy":52},")",[47,80,60],{},[73,82,75],{},[84,85,87],"annotation",{"encoding":86},"application\u002Fx-tex","\\text{R score} = (Z \\times \\text{IDGZ} + \\text{IFGZ} + 5) \\times 5",[19,89,93,122,149,171,192,214],{"className":90,"ariaHidden":92},[91],"katex-html","true",[19,94,97,102,110,115,119],{"className":95},[96],"base",[19,98],{"className":99,"style":101},[100],"strut","height:0.6833em;",[19,103,107],{"className":104},[105,106],"mord","text",[19,108,45],{"className":109},[105],[19,111],{"className":112,"style":114},[113],"mspace","margin-right:0.2778em;",[19,116,49],{"className":117},[118],"mrel",[19,120],{"className":121,"style":114},[113],[19,123,125,129,133,138,142,146],{"className":124},[96],[19,126],{"className":127,"style":128},[100],"height:1em;vertical-align:-0.25em;",[19,130,53],{"className":131},[132],"mopen",[19,134,57],{"className":135,"style":137},[105,136],"mathnormal","margin-right:0.0715em;",[19,139],{"className":140,"style":141},[113],"margin-right:0.2222em;",[19,143,60],{"className":144},[145],"mbin",[19,147],{"className":148,"style":141},[113],[19,150,152,156,162,165,168],{"className":151},[96],[19,153],{"className":154,"style":155},[100],"height:0.7667em;vertical-align:-0.0833em;",[19,157,159],{"className":158},[105,106],[19,160,63],{"className":161},[105],[19,163],{"className":164,"style":141},[113],[19,166,66],{"className":167},[145],[19,169],{"className":170,"style":141},[113],[19,172,174,177,183,186,189],{"className":173},[96],[19,175],{"className":176,"style":155},[100],[19,178,180],{"className":179},[105,106],[19,181,69],{"className":182},[105],[19,184],{"className":185,"style":141},[113],[19,187,66],{"className":188},[145],[19,190],{"className":191,"style":141},[113],[19,193,195,198,201,205,208,211],{"className":194},[96],[19,196],{"className":197,"style":128},[100],[19,199,75],{"className":200},[105],[19,202,78],{"className":203},[204],"mclose",[19,206],{"className":207,"style":141},[113],[19,209,60],{"className":210},[145],[19,212],{"className":213,"style":141},[113],[19,215,217,221],{"className":216},[96],[19,218],{"className":219,"style":220},[100],"height:0.6444em;",[19,222,75],{"className":223},[105],[15,225,226,227,232],{},"You know your grade and your class average; your class's standard deviation, IFGZ and IDGZ are, most of the time, not published. The tool estimates these three values, then applies the formula. See our ",[228,229,231],"a",{"href":230},"\u002Fen\u002Fr-score-calculation","guide"," for the meaning of each of these variables.",[10,234,236],{"id":235},"where-the-data-comes-from","Where the data comes from",[15,238,239,240,246],{},"The estimate relies on official data from the ministère de l'Enseignement supérieur, obtained through ",[228,241,245],{"href":242,"rel":243},"https:\u002F\u002Fwww.quebec.ca\u002Fgouvernement\u002Fministeres-organismes\u002Fenseignement-superieur\u002Fcadre-legal-transparence\u002Facces-information",[244],"nofollow","access to information requests",": for each course section from winter 2022 to fall 2024, its average, standard deviation, IFGZ and IDGZ, as well as data on the high school level of the students in each program.",[15,248,249,250,254],{},"The R scores of the last admitted students, on the ",[228,251,253],{"href":252},"\u002Fen\u002Fr-score","Admission R scores"," pages, come from the statistics the universities publish themselves, cited under each table.",[10,256,258],{"id":257},"how-the-estimate-works","How the estimate works",[260,261,262,270,276,282,288],"ol",{},[263,264,265,269],"li",{},[266,267,268],"strong",{},"The course history",": the tool uses the data of the past sections of the same course, at the same CEGEP, giving more weight to the same term, fall or winter. When a course has few of them, it also relies on the same course at the other CEGEPs and on the courses of the same subject. A course renamed by the new version of its program takes over the history of its former code.",[263,271,272,275],{},[266,273,274],{},"Your class average",": if you enter it, the tool adjusts the course's historical standard deviation to this average: the higher it is, the closer together the grades are. If you also enter your class's standard deviation, the tool uses it as is.",[263,277,278,281],{},[266,279,280],{},"Your program",": the tool adjusts the strength of the class according to the historical strength of the students in your program, except for what the course's history already reflects. The adjustment applies partly to general education courses, and not at all to complementary courses.",[263,283,284,287],{},[266,285,286],{},"Your official R scores",": when you enter the official R scores of a past semester, the tool measures its own gap with them, overall and subject by subject, and corrects the estimates made for your other semesters.",[263,289,290,293],{},[266,291,292],{},"The range",": for each course, the tool gives an estimate and the interval where the real R score is likely to fall.",[10,295,297],{"id":296},"how-accurate-the-estimate-is","How accurate the estimate is",[15,299,300],{},"To measure it, the engine estimated, from the previous semesters only, the R score of a fictitious student in each of the 31,576 classes of fall 2024, then compared its estimates with the real R scores. The average gap is 0.88 points for a student at their class average, 1.08 points for a student one standard deviation above it, and 1.43 points at two standard deviations. Entering the class's standard deviation brings these last two gaps down to 0.97 and 1.20 points.",[15,302,303],{},"This exercise does not take into account the program of each class or your official R scores.",[10,305,307],{"id":306},"limits","Limits",[309,310,311,314,317,320],"ul",{},[263,312,313],{},"A course with no history at your CEGEP, such as a new course, is estimated less accurately.",[263,315,316],{},"A class can differ from its usual pattern: a new teacher, a particularly strong or weak class.",[263,318,319],{},"The official R score can still move after it is published: the ministry recalculates it four times a year.",[263,321,322],{},"Summer semesters are not supported, for lack of data.",[10,324,326],{"id":325},"your-data","Your data",[15,328,329],{},"Your record stays in your browser, with no account. Your grades are sent to the server only for the time of the calculation, and they are never stored there.",{"title":331,"searchDepth":332,"depth":333,"links":334},"",1,2,[335,336,337,338,339,340],{"id":12,"depth":333,"text":13},{"id":235,"depth":333,"text":236},{"id":257,"depth":333,"text":258},{"id":296,"depth":333,"text":297},{"id":306,"depth":333,"text":307},{"id":325,"depth":333,"text":326},"2026-10-05","2026-09-26","myRScore estimates the R score from the ministry's official data. Learn where this data comes from, how the estimate works and how accurate it is.","md","Methodology","How your R score is estimated, by myRScore",{},true,"\u002Fmethodology",{"title":351,"description":343},"Methodology: how myRScore estimates the R score","methodology","pfV9e2IP_vxjkWBBuXHgZc2BS02bCV6mMcD6zILGjaI",1791249458057]