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‫پیش‬ ‫مدل‬‫پذیرش‬ ‫ی‬‫بین‬‫دانشجو‬‫یان‬
‫در‬‫تحصیالت‬ ‫مقاطع‬‫تکمییل‬
‫دانشگاه‬‫کشور‬‫از‬ ‫خارج‬ ‫هاي‬
‫دانشجو‬:
‫یزدي‬‫شهریار‬‫پور‬
‫اهنما‬‫ر‬ ‫استاد‬:
‫ناهید‬ ‫ر‬‫دکت‬‫طاهریان‬
‫دانشگاه‬‫خوارزیم‬
‫فهرست‬
•‫مقدمه‬‫و‬‫هدف‬‫پروژه‬
•‫برریس‬‫و‬‫مطالعه‬‫تحقیقات‬‫پیشی‬
•‫جمع‬‫آوری‬‫داده‬‫و‬‫چالش‬‫های‬‫آن‬
•‫احل‬‫ر‬‫م‬‫تحلیل‬‫داده‬
•‫برریس‬‫و‬‫پیش‬‫پردازش‬‫داده‬‫ها‬
•‫داده‬‫کاوی‬‫روی‬‫داده‬‫ها‬
•‫نتایج‬
‫مقدمه‬
‫ﺑﺴﯿﺎ‬‫دا‬ ‫از‬ ‫ري‬‫ﻧﺸﺠﻮﯾﺎ‬‫ن‬‫ﻣﺸﺘﺎ‬‫ق‬‫ﺑﻪ‬‫ادا‬‫ﻣﻪ‬‫ي‬‫ﺗﺤﺼﯿﻼ‬‫ت‬‫آ‬‫ﮐﺎ‬‫د‬‫ﻣﯿﮏ‬‫ﺧﻮ‬‫د‬‫در‬
‫ﮐﺸﻮ‬‫ر‬‫ﻫﺎ‬‫ي‬‫ﭘﯿﺸﺮﻓﺘﻪﺗﺮ‬‫ند‬
‫ﻫﺰﯾﻨﻪ‬‫ي‬‫ﺑﺎﻻ‬ِ‫ي‬‫ﻣﺎﻟﯽ‬‫و‬‫ز‬‫ﻣﺎﻧﯽ‬‫ا‬‫ﻗﺪ‬‫ام‬‫ﺑﺮ‬‫اي‬‫ﮔﺮﻓﺘﻦ‬‫ﭘﺬﯾﺮ‬‫ش‬
‫ﻣﺸﮑﻞ‬:‫ذ‬‫ﻫﻦ‬‫ا‬‫ﻧﺴﺎ‬‫ن‬‫ﺗﻮ‬‫ا‬‫ﻧﮕﻬﺪ‬ ‫ﻧﺎﯾﯽ‬‫و‬ ‫اري‬‫ﻫﻤﺰﻣﺎ‬ ‫ﺗﺤﻠﯿﻞ‬‫ن‬‫ﺣﺠﻢ‬‫ز‬‫ﯾﺎ‬‫از‬ ‫دي‬
‫ﻫﺎ‬ ‫ﺧﺼﯿﺼﻪ‬ ‫ﺑﺎ‬ ‫ﻫﺎ‬ ‫ﻧﻤﻮﻧﻪ‬‫ي‬‫ﻣﺘﻔﺎ‬‫ا‬‫ر‬ ‫وت‬‫ﻧﺪ‬‫ارد‬.
‫انگیزه‬
‫مقدمه‬
‫کاوی‬‫داده‬ ‫علم‬
‫های‬ ‫داده‬‫پیشی‬
‫بینی‬ ‫پیش‬ ‫برای‬ ‫مدلی‬ ‫طراحی‬:
‫مقدمه‬
‫داده‬‫ﮐﺎ‬‫وي‬‫ﺷﺎﻣﻞ‬‫ا‬‫ﺳﺘﻔﺎ‬‫ا‬ ‫از‬ ‫ده‬‫ﺑﺰ‬‫ار‬‫ﻫﺎ‬‫ي‬‫ﺗﺤﻠﯿﻞ‬ ‫ﭘﯿﺸﺮﻓﺘﻪ‬‫داده‬‫ﻣﻨﻈﻮ‬ ‫ﺑﻪ‬‫ر‬
‫ﮐﺸﻒ‬‫ا‬‫ﻟﮕﻮﻫﺎ‬‫ي‬‫ﻣﻌﺘﺒﺮ‬‫روا‬ ‫و‬‫ﺑﻂ‬‫در‬‫ﻣﺠﻤﻮﻋﻪ‬‫داده‬‫ﻫﺎ‬‫ي‬‫ﺑﺰ‬‫ا‬ ‫گ‬‫ر‬‫ﺳﺖ‬.
‫ا‬‫ﯾﻦ‬‫ا‬‫ﺑﺰ‬‫ار‬‫ﻫﺎ‬،‫ﻣﺪ‬‫ل‬‫ﻫﺎ‬‫آ‬ ‫ي‬‫ﻣﺎ‬‫ا‬ ،‫ري‬‫ﻟﮕﻮ‬‫ر‬‫ﻫﺎ‬ ‫ﯾﺘﻢ‬‫ر‬ ‫ي‬‫ﯾﺎﺿﯽ‬‫و‬‫ﻫﺎ‬ ‫ﻣﺘﺪ‬‫ي‬‫ﯾﺎ‬‫د‬‫ﮔﯿﺮ‬‫ي‬
‫ﺑﺎﺷﻨﺪ‬ ‫ﻣﯽ‬ ‫ﻣﺎﺷﯿﻦ‬.
JOURNALS
‫پیشی‬ ‫تحقیقات‬ ‫مطالعه‬‫و‬ ‫برریس‬
 A Review on Recommender Systems for University
Admissions (2015)
Aditi Bhide, Karan Karnik, Pradnya Badge,Varun Joshi, Vina M. Lomte
Paper ID: ART20163309
Data From schools portal
C4.5 Classifier + Feedback
 An Automated University Admission Recommender
System for Secondary School Students (2009)
Simon Fong and Robert P. Biuk-Aghai
Paper Code: 26960-IJAES
Input: CGA, Age, Birth Place, GRA_TA
Recommended universities: University of Macau ,Taiwan ,China , In Asia
Main work : Customized C4.5 Classifier
‫پیشی‬ ‫تحقیقات‬ ‫مطالعه‬‫و‬ ‫برریس‬
• A Decision Tree Classification Model for University
Admission System
(IJACSA) International Journal of Advanced Computer Science and Applications, Vol. 3, No. 10, 2012
Accuracy : 65% 20K Records
‫پیشی‬ ‫تحقیقات‬ ‫مطالعه‬‫و‬ ‫برریس‬
Discovering Knowledge regarding Academic Profile of
students pursing Graduate studies in World’s Top
Universities
Graduate School Recommender System: Assisting
Admission Seekers to Apply for Graduate Studies in
Appropriate Graduate Schools
December 2016, Dhaka, Bangladesh
By Mahamudul Hasan, Shibbir Ahmed, Deen Md. Abdullah, and Md. Shamimur Rahman
‫پیشی‬ ‫تحقیقات‬ ‫مطالعه‬‫و‬ ‫برریس‬
 Focus on PhD
 Focus on applying for USA universities
 Accuracy :
 90.342% (20 recommendation)
 50% (8 recommendation)
Methodology
DATA REQUIREMENT
‫داده‬ ‫منبع‬
‫اولی‬‫کشور‬‫از‬ ‫خارج‬‫در‬ ‫تکمییل‬ ‫تحصیالت‬ ‫انجمن‬
‫اپالی‬‫ابرود‬ApplyAbroad.org‫ای‬‫مجموعه‬‫زمینه‬ ‫در‬ ‫متنوع‬ ‫اطالعات‬ ‫شامل‬
‫دریافت‬ ‫جهت‬ ‫الزم‬ ‫اطالعات‬ ‫و‬ ‫مراحل‬ ،‫ایران‬ ‫از‬ ‫خارج‬ ‫های‬‫دانشگاه‬ ‫از‬ ‫پذیرش‬ ‫گرفتن‬
‫استر‬ ،‫کانادا‬ ‫جمله‬ ‫از‬ ،‫مختلف‬ ‫کشورهای‬ ‫از‬ ‫مهاجرت‬ ‫گرفتن‬ ‫و‬ ‫تحصیلی‬ ‫ویزای‬‫و‬ ‫الیا‬
‫در‬ ‫تحصیل‬ ‫ادامه‬ ‫برای‬ ‫ایرانی‬ ‫دانشجویان‬ ‫به‬ ‫کمک‬ ‫هدف‬ ‫با‬ ‫و‬ ‫است‬ ‫نیوزیلند‬‫از‬ ‫خارج‬
‫است‬ ‫شده‬ ‫ایجاد‬ ‫کشور‬.‫اطالعات‬ ‫مجموعه‬ ‫بزرگترین‬ ‫ویکی‬ ‫و‬ ‫فروم‬ ‫حاضر‬ ‫حال‬ ‫در‬
‫باشند‬‫می‬ ‫زیادی‬ ‫اطالعات‬ ‫شامل‬ ‫که‬ ‫آیند‬ ‫می‬ ‫شمار‬ ‫یه‬ ‫ابرود‬ ‫اپالی‬.
www.applyabroad.org/forum/admissionreport.php
‫قانون‬‫ایت‬‫ر‬ ‫ی‬‫کپ‬
http://www.applyabroad.org/forum/misc.php?do=showrules
‫ی‬‫کپ‬‫قانون‬)‫و‬ ‫مباحث‬ ‫از‬ ‫خواهید‬‫یم‬ ‫كه‬ ‫ی‬‫صورت‬‫در‬
‫ی‬‫جات‬ ‫در‬ ‫است‬ ‫شده‬‫ذكر‬ ‫ها‬‫انجمن‬ ‫این‬ ‫در‬ ‫كه‬ ‫ی‬‫هات‬‫آموزش‬
‫سای‬ ‫نام‬‫ذكر‬ ‫كنید‬‫استفاده‬ ‫خود‬ ‫سایت‬‫در‬ ‫یا‬‫و‬‫دیگر‬‫نام‬‫و‬ ‫ت‬
‫امیست‬‫ز‬‫ال‬ ‫مطلب‬ ‫لینک‬ ‫و‬ ‫مطلب‬ ‫نویسنده‬.
‫داده‬ ‫منبع‬
http://www.applyabroad.org/forum/admissionreport.php
More than 4000 records in Table
‫داده‬ ‫منبع‬
http://www.applyabroad.org/forum/admissionreport.php
More than 4200 records in Forms
DATA COLLECTION
‫داده‬ ‫منبع‬
Type of Extracting
Avg Size Per Page
(4200pages)
Avg Size of whole pages
Browser 700Kbytes 700*4200/1024=2870Mbytes
Crawler (no reference) 30Kbytes 30*4200/1024=123Mbytes
Crawler + Filter (array of strings) 0.7KBytes 0.7*4200/1024=2.8MBytes
Crawler + Filter (array of objects) 0.3Kbytes 0.3*4200/1024=1.2MBytes
‫حجم‬‫اطالعات‬ ‫ی‬‫گرفی‬‫ی‬ ‫پروسه‬‫از‬ ‫بعد‬:1.5MB
‫ها‬ ‫داده‬ ‫ی‬‫گرفی‬‫مختلف‬ ‫روشهای‬‫در‬ ‫ها‬ ‫داده‬ ‫حجم‬‫از‬ ‫تخمییم‬
Library
https://curl.haxx.se/
http://simplehtmldom.sourceforge.net/
‫آن‬ ‫های‬ ‫چالش‬‫و‬ ‫ها‬ ‫داده‬ ‫آوردن‬ ‫بدست‬
‫صفحات‬ ‫دانلود‬
http://www.applyabroad.org/forum/admissionreport.php?do=viewreport&ar=<X>
X : From 1 to 4275
‫وب‬ ‫صفحه‬ ‫کردن‬‫پارس‬(‫کتابخانه‬‫کمک‬‫با‬SimpleHtmlDOM)
‫از‬ ‫استفاده‬Regex‫ها‬ ‫داده‬ ‫بندی‬ ‫طبقه‬ ‫ای‬‫ر‬‫ب‬
‫فرمت‬ ‫به‬ ‫تبدیل‬JSON
‫چالش‬:‫اعتبارسنج‬ ‫از‬ ‫عبور‬+‫افتادن‬ ‫دام‬ ‫به‬crawler
‫آن‬ ‫های‬ ‫چالش‬‫و‬ ‫ها‬ ‫داده‬ ‫آوردن‬ ‫بدست‬
‫ی‬ ‫کتابخانه‬‫کمک‬‫با‬ ‫سایت‬ ‫ی‬‫سنج‬‫اعتبار‬ ‫از‬ ‫عبور‬cURL
‫از‬ ‫سایت‬vBulletin Forum CMS‫میکند‬ ‫استفاده‬
Sources (Auth Bypass)
‫آن‬ ‫های‬ ‫چالش‬‫و‬ ‫ها‬ ‫داده‬ ‫آوردن‬ ‫بدست‬
‫ایگان‬‫ر‬ ‫رسویس‬ ‫وب‬ ‫از‬ ‫استفاده‬(000webhost.com)
‫بخشیدن‬ ‫رسعت‬ ‫روی‬ ‫مستقیم‬ ‫تاثی‬
‫شخیص‬ ‫های‬ ‫سیستم‬ ‫نشدن‬ ‫گی‬‫در‬
‫دانلود‬1.5‫بجای‬ ‫اطالعات‬ ‫مگابایت‬120‫مگابایت‬
DATA UNDERSTANDING
DATA PREPROCESSING
‫ها‬ ‫داده‬ ‫پردازش‬ ‫پیش‬‫و‬ ‫برریس‬
"3": {
"field": "Civil Engineering /
Transportation",
"apDegree": "Doctorate",
"bachelorsAvg": "15.7",
"bachelorsUni": "‫مشهد‬ ‫,"فردوسی‬
"masterAvg": "19",
"masterUni": "Portland State
University",
"engExamResult": "100",
"engExamType": "iBT",
"engExamQuan": "760",
"engExamAnlt": "3",
"engExamVrbl": "330",
"papersGLOB": "0",
"papersIRAN": "8",
"year": "2010",
"accUni": "EPFL Switzerland,
Northwestern",
"rejUni": "UC Berkeley, Georgia
Tech",
"apUni": "Northwestern",
"country": "‫,"آمریکا‬
"fund": "63000",
"fundType": "RA“
}
3736 RECORDS (FEB 2017)
‫ها‬ ‫داده‬ ‫پردازش‬ ‫پیش‬‫و‬ ‫برریس‬
‫ها‬ ‫داده‬ ‫پردازش‬ ‫پیش‬‫و‬ ‫برریس‬
Degree
Year
Country
TOFEL / IELTS
GRE
Fund
GPA
Papers
Universities
Library
NumPy:
www.numpy.org/
matplotlib :
https://matplotlib.org/
pandas :
http://pandas.pydata.org
Degree
Degree Count
Doctorate 1773
Masters 1753
Bachelors 210
3526‫ها‬ ‫لیسانس‬ ‫حذف‬‫از‬ ‫بعد‬ ‫کورد‬‫ر‬
‫داشت‬ ‫خواهیم‬
Year
•‫چالشها‬:
•‫شمیس‬ ‫سال‬ ‫صورت‬ ‫به‬ ‫داده‬ ‫چندین‬+‫میالدی‬ ‫به‬ ‫انها‬ ‫تبدیل‬
•13‫گم‬‫داده‬‫شده‬+‫کود‬‫ر‬ ‫بعدی‬ ‫داده‬ ‫با‬ ‫انها‬ ‫جایگزین‬
Country
US 1137
Canada 593
Germany 234
Australia 185
Sweden 161
Italy 146
England 68
Finland 68
Malaysia 65
Turkey 44
Netherlands 43
Norway 41
Belgium 35
France 33
New Zealand 29
Swaziland 28
Spain 24
Singapore 17
Austria 17
China 8
India 7
Russia 3
Czech Republic 2
Japan 2
•‫انگلییس‬ ‫به‬ ‫ها‬ ‫کشور‬‫فاریس‬ ‫اسایم‬ ‫تبدیل‬
•536‫اول‬ ‫ی‬ ‫مرحله‬ ‫در‬ ‫شده‬ ‫گم‬‫ی‬ ‫داده‬
•‫بدست‬‫لیس‬ ‫کردن‬‫کامل‬‫از‬ ‫بعد‬ ‫شده‬ ‫پذیرفته‬ ‫دانشگاه‬ ‫نام‬ ‫از‬ ‫کشور‬‫آوردن‬‫ها‬ ‫دانشگاه‬ ‫ت‬
•‫کاهش‬536‫به‬ ‫شده‬ ‫گم‬‫ی‬ ‫داده‬276‫داده‬‫دوم‬ ‫ی‬ ‫مرحله‬ ‫در‬
Encoding
Classified Countries
0 ['united states']
1 ['canada','australia','switzerland']
2 ['sweden','finland','norway','iceland','denmark']
3 ['germany','france','austria','poland','spain','italy']
4 ['united kingdom','netherlands','belgium','new zealand']
5 ['singapore','korea, republic of','japan']
6 ['malaysia','brazil','iran, islamic republic of','south
africa','czech republic','turkey','russian federation']
7 ['china','india','pakistan','albania','ireland','mexico','phi
lippines','cyprus']
8 Others
TOFEL / IELTS
Exam Type
442‫شده‬ ‫گم‬‫داده‬+‫میانگی‬ ‫با‬ ‫جایگذاری‬
TOFEL / IELTS
‫به‬ ‫ا‬‫ر‬ ‫بان‬‫ز‬ ‫نتایج‬ ‫ی‬ ‫همه‬ ‫یر‬‫ز‬ ‫سایت‬ ‫در‬ ‫شده‬ ‫بیان‬ ‫مطالب‬ ‫طبق‬IELTS‫میکنیم‬ ‫تبدیل‬
http://www.eurogates.nl/en-TOEFL-IELTS-score-conversion/
TOFEL / IELTS
‫ترتین‬ ‫کورد‬‫ر‬ ‫به‬ ‫تبدیل‬
* Based on : Discovering Knowledge regarding Academic Profile of
students pursing Graduate studies in World’s Top Universities
GRE
1560‫امتحان‬ ‫از‬ ‫ی‬ ‫داده‬GRE‫یم‬‫ر‬‫دا‬.
‫ی‬‫امریکات‬ ‫های‬ ‫دانشگاه‬ ‫در‬ ‫پذیرش‬ ‫ای‬‫ر‬‫ب‬‫نیاز‬ ‫پیش‬ ‫امتحان‬ ‫نوع‬ ‫این‬‫است‬
Fund
Type Count
TA/RA 1138
Award 442
n/a 208
50.7%‫به‬ ‫موفق‬ ‫دانشجویان‬ ‫از‬
‫اند‬ ‫شده‬ ‫هزینه‬ ‫کمک‬‫یافت‬‫ر‬‫د‬
GPA (grade point average)
Base on:
http://www.foreigncredits.com/resources/gpa-calculator/iran
‫حرف‬‫دانشگ‬ ‫یا‬ ‫ها‬‫آموزشگاه‬ ‫در‬ ‫که‬‫است‬ ‫عددی‬ ‫یا‬‫ها‬‫اه‬
‫کمی‬‫آن‬ ‫با‬ ‫امتحات‬ ‫انجام‬ ‫یا‬ ‫درس‬ ‫پرسیدن‬ ‫از‬ ‫پس‬،‫ت‬
ِ‫دانش‬‫دانشجویان‬‫ا‬‫ر‬‫سنجند‬‫یم‬.
Ref: Wikipedia.com
GPA
(10, 20] 3454
(0, 4] 36
(-14, 0] 23
(20, 18050] 10
(4, 10] 2
Name: bachelorsAvg,
dtype: int64
(10, 20] 1688
(0, 4] 110
(20, 1820] 24
(4, 10] 1
Name: masterAvg,
dtype: int64
GPA
Masters GPA
Bachelors GPA
GPA
Papers
mean 2.760068
std 4.594755
min 0.000000
25% 0.000000
50% 1.000000
75% 4.000000
max 56.000000
Fields
•1519‫مدل‬‫رشته‬‫خام‬ ‫صورت‬ ‫به‬
•1307‫مدل‬‫داده‬‫ها‬ ‫داده‬ ‫کردن‬‫کوچک‬‫حرف‬‫از‬ ‫بعد‬
•655‫کلی‬‫کمک‬‫به‬ ‫کردن‬ ‫ر‬‫فیلت‬‫از‬ ‫بعد‬ ‫داده‬ ‫مدل‬‫ها‬ ‫واژه‬ ‫د‬
•58‫ی‬ ‫کتابخانه‬‫از‬ ‫استفاده‬ ‫بعد‬ ‫داده‬ ‫مدل‬difflib‫روی‬
‫شده‬ ‫استفاده‬ ‫های‬ ‫داده‬
•‫به‬ ‫کاهش‬20‫گروه‬
Library
Difflib :
https://docs.python.org/2/library/difflib.html
•‫یتم‬‫ر‬‫الگو‬ ‫از‬“gestalt pattern matching”‫میکند‬ ‫استفاده‬
•‫ایده‬:‫گرسیون‬‫ر‬ ‫یتم‬‫ر‬‫الگو‬ ‫طبق‬ ‫که‬‫برداری‬ ‫ین‬ ‫ی‬‫گی‬‫بزر‬Ratcliff and
Obershelp‫میکند‬ ‫انتخاب‬ ‫باشد‬ ‫داشته‬ ‫ا‬‫ر‬ ‫شباهت‬ ‫ین‬ ‫ی‬‫بیشی‬
•‫حالت‬ ‫بدترین‬ ‫در‬ ‫زمات‬
‫ی‬
‫پیچیدگ‬𝑛4
Universities
‫شده‬ ‫پذیرفته‬ ‫دانشگاه‬
‫لیسانس‬ ‫دانشگاه‬
‫لیسانس‬ ‫فوق‬ ‫دانشگاه‬
• 10K list of world universities
• https://github.com/endSly/world-universities-csv
• List of all countries with their 2 digit codes:
• http://data.okfn.org/data/core/country-list
• 4K universities name CWUR Ranking:
• https://github.com/shubhanerur/RankingUniversities
• Iranian Universities List:
• https://fa.wikipedia.org/wiki/ ‫بندی‬‫رتبه‬_‫دانش‬‫های‬‫گاه‬_‫ایران‬
Universities
‫تهران‬112
‫شریف‬84
azad 82
university of tehran 80
‫صنعت‬ ‫و‬ ‫علم‬76
‫امیرکبیر‬71
‫اصفهان‬ ‫صنعتی‬61
amirkabir 46
‫تبریز‬45
iust 45
sharif 44
‫شیراز‬43
‫مشهد‬ ‫فردوسی‬41
‫تهران‬ ‫دانشگاه‬39
sharif university of technology 38
‫نصیر‬ ‫خواجه‬36
shiraz university 32
n/a 32
‫شریف‬ ‫صنعتی‬32
‫امیرکبیر‬ ‫صنعتی‬32
‫بهشتی‬ ‫شهید‬31
university of tabriz 29
iau 29
‫اصفهان‬28
azad university 28
tehran 27
islamic azad university 26
ferdowsi university of mashhad 22
shahid beheshti 20
‫گیالن‬17
...
elmo sanat 1
‫رامسر‬ ‫ازاد‬1
private university 1
‫تفرش‬ ‫دانشگاه‬(‫سراسري‬)1
‫کیبر‬ ‫امیر‬1
‫کرمان‬ ‫بهمنیار‬ ‫غیرانتفاعی‬1
azad of takestan 1
islamic azad university of khorasgan(isfahan) 1
shiraz u 1
‫اباد‬ ‫خرم‬ ‫ازاد‬1
damqan azad university 1
art university of isfahan 1
‫سجاد‬ ‫عالی‬ ‫آموزش‬ ‫موسسه‬1
‫حسین‬ ‫امام‬1
sadjad institute of higher ed 1
‫امیرکبیر‬ ‫صنعتی‬ ‫دانشگاه‬1
‫جهرم‬1
‫زنجان‬ ‫پایه‬ ‫علوم‬ ‫در‬ ‫تکمیلی‬ ‫تحصیالت‬ ‫مرکز‬1
‫شمال‬ ‫تهران‬ ‫اسالمی‬ ‫آزاد‬ ‫دانشگاه‬1
‫تبریز‬ ‫واحد‬ ‫آزاد‬ ‫دانشگاه‬1
‫زنجان‬ ‫روزبه‬1
‫عالمه‬1
‫افزار‬ ‫نرم‬ ‫منهدسی‬1
azad - tehran north 1
‫زاهدان‬1
azad uni - tehran medical branch 1
‫ایران‬ ‫صنعت‬ ‫و‬ ‫علم‬(‫اراک‬ ‫واحد‬)1
kharazmi university 1
‫اصفهاني‬ ‫راغب‬1
kar university 1
Universities
n/a 426
politecnico di milano 46
kth 46
university of alberta 32
concordia 32
utm 27
ubc 26
ntnu 24
unsw 23
concordia university 22
politecnico di torino 22
university of calgary 21
rwth aachen 20
mcgill 19
university of toronto 19
chalmers 19
alberta 19
sfu 18
waterloo 18
mcmaster 16
virginia tech 16
university of saskatchewan
15
university of manitoba 15
university of houston 13
university of victoria 13
calgary 13
university of waterloo 13
upm 13
arizona state university 12
ncsu 12
...
university of leoben 1
imperial college london 1
university of texas 1
karlsruher institut fur technologie 1
dalhousoie university 1
universite de montreal 1
mapua 1
….
EVALUATION
MODELING
Library
Sci-kit Learn:
http://scikit-learn.org
Decision Tree
‫مدل‬
Decision Tree
Getting scholarships for PhD
Best Accuracy : 80.0% in 5th Level
‫مدل‬
Decision Tree
Getting scholarships for MS
Best Accuracy : 80.6% in 5th Level
Decision Tree Sample
Country
Coded
Eng.
Coded
Field
Group
GPA
Bachelors
GRE
High Level
bach Uni
Papers
GLOB
Papers
IRAN
1 2 0 2.5 False False 1 0
Input
Output
K Nearest Neighbor
‫مدل‬
Supervised Classification
K-Nearest
Finding best Country
For 48 distance algorithm
Best Accuracy : about 31%
K-Nearest
Getting Fund for MS
For 48 distance algorithm
Best Accuracy : 76.89% With City Block Distance
K Nearest getting fund sample
Country
Coded
Eng.
Coded
Field
Group
GPA
Bachelors
Gre
High Level
bach Uni
Papers
GLOB
Papers
IRAN
1 1 2 2 False True 4 2
5 1 0 3 False True 1 3
2 1 0 2 False False 1 0
Country
Coded
Eng.
Coded
Field
Group
GPA
Bachelors
Gre
High Level
bach Uni
Papers
GLOB
Papers
IRAN
1 2 0 2.5 False False 1 0
Input
Output
Ensemble learning
Random Forest
Getting Fund for MS Students
Random Forest Test
K-Means Clustering
Unsupervised learning
Recommending Universities
KNN Test – 10 Clusters
KNN Test – 2-20 Clusters
Country
Coded
Eng.
Coded
Field
Group
GPA
Bachelor
s
Gre
High
Level
bach Uni
Papers
GLOB
Papers
IRAN
Fund
1 2 0 2.5 False False 1 0 True
Input
‫پروژه‬ ‫زمات‬ ‫نامه‬‫ر‬‫ب‬
‫چهارم‬ ‫قدم‬
‫سورس‬ ‫اوپن‬
‫سازی‬ ‫بهینه‬
‫پورتال‬
…
‫سوم‬ ‫قدم‬
‫تکنیکها‬ ‫بررسی‬‫ی‬
‫کاوی‬ ‫داده‬
Recommender
System
‫دوم‬ ‫قدم‬
‫ها‬ ‫داده‬ ‫آوردن‬ ‫بدست‬
‫داده‬ ‫به‬ ‫دادن‬ ‫ساختار‬
‫ها‬
‫پردازش‬ ‫پیش‬
‫اول‬ ‫قدم‬
‫پروپوزال‬
‫گذاری‬ ‫هدف‬
‫کردن‬ ‫مشخص‬
‫منابع‬
‫کردن‬ ‫مشخص‬
‫ابزارها‬
THIS PROJECT
IS GOING TO BE
OPEN SOURCE.
Tools
‫تشکر‬ ‫با‬
‫خرداد‬–‫شمیس‬ ‫شش‬ ‫و‬ ‫نود‬

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