http://www.commres.net/ 2026-07-23T07:03:01+00:00 http://www.commres.net/ http://www.commres.net/_media/wiki/logo.png text/html 2026-07-21T10:22:35+00:00 hkimscil (hkimscil@undisclosed.example.com) http://www.commres.net/factor_analysis?rev=1784629355&do=diff 요인분석 In order to understand factor analysis, you should understand how regression coefficients work, how they are interpreted. Therefore, please review variance, regression R square value, regression coefficient, beta, etc. * 다수의 변수들 간의 상호관련성을 소수의 요인(factor)으로 정리하는 방법의 하나로 전체 변수에 공통적인 요인이 있다고 가정하고 (예, 30개의 질문이 동일한 무엇인가를 묻고 있기 때문에 서로 상관관계가 있을 것) \begin{equation} \label{eq1} \begin{split} Y_{1} &= \beta_{10} + \beta_{11}F_{1} + \beta_{12}F_{2} + e_{1} \;\;\;\;\; \text{where } Y_{1} = \te… text/html 2026-07-14T02:53:25+00:00 hkimscil (hkimscil@undisclosed.example.com) http://www.commres.net/index?rev=1783997605&do=diff Communication Research commres.net 환영합니다. 이 사이트는 Communication Research에 관한 사이트입니다. 커뮤니케이션 이론, 연구방법론, 미디어 연구 등등과 관련된 글과 생각을 모아 둡니다. 문서 인덱스 Class Related text/html 2026-07-14T01:46:18+00:00 hkimscil (hkimscil@undisclosed.example.com) http://www.commres.net/c/ma/2026/schedule?rev=1783993578&do=diff Media Analytics Class page Mon Thur 10:30 S415 Week 01: xx Sep 3 Week 02: Sep 7, 10 Week 03: Sep 14, 17 Week 04: Sep 21, 24 Week 05: Sep 28 (the 1st Quiz), Oct 1 Week 06: Oct 5, 8 Week 07: Oct 12, 15 Week 08: Oct 19, 22 (the 2nd Quiz) Week 09: Oct 26, 29 Week 10: Nov 2, 5 Week 11: Nov 9, 12 Week 12: Nov 16, 19 Week 13: Nov 23 (the 3rd Quiz), 26 Week 14: Nov 30, Dec 3 Week 15: Dec 7, 10 Week 16: Dec 14, 17 Week 17: Dec 21 (the 4th Quiz)$$ \text{Inferential Statistics} = \frac {\text{Effects}}… text/html 2026-07-06T02:40:58+00:00 hkimscil (hkimscil@undisclosed.example.com) http://www.commres.net/lectureblock?rev=1783305658&do=diff 상담가능 시간 (김효동) 2025 봄학기 * 월요일, 12:00-1:30 * 화요일, 10:30-1:30 * 수요일, 10:30-1:30 * 목요일, 12:00-1:30 2024 Fall 2026 Fall * 확률과통계1 B103 Mon, Wed 9:00 (A1) * 미디어애널리틱스 S415 Mon, Thur 10:30 (B2) text/html 2026-07-06T02:39:02+00:00 hkimscil (hkimscil@undisclosed.example.com) http://www.commres.net/?image=pasted%3A20260706-023902.png&ns=pasted&rev=1783305542&tab_details=history&media_do=diff&do=media <img src="http://www.commres.net/_media/pasted/20260706-023902.png?w=500&amp;h=500&amp;tok=3b013a" alt="20260706-023902.png" loading="lazy" width="500" height="500" /> text/html 2026-07-01T06:18:33+00:00 hkimscil (hkimscil@undisclosed.example.com) http://www.commres.net/c/dbnm/2026/schedule?rev=1782886713&do=diff Week 01: Sep 1, 3 Week 02: Sep 8, 10 Week 03: Sep 15, 17 Week 04: Sep 22, 24 Week 05: Sep 29, Oct 1 Week 06: Oct 6, 8 Week 07: Oct 13, 15 Week 08: Oct 20, 22 Week 09: Oct 27, 29 Week 10: Nov 3, 5 Week 11: Nov 10, 12 Week 12: Nov 17, 19 Week 13: Nov 24, 26 Week 14: Dec 1, 3 Week 15: Dec 8, 10 Week 16: Dec 15, 17 text/html 2026-07-01T06:05:12+00:00 hkimscil (hkimscil@undisclosed.example.com) http://www.commres.net/c/dbnm/2026?rev=1782885912&do=diff private note Digital Broadcast and New Media: 2026 기본정보 * 수, 금 10:30 * 교실: 산학원 224 * 강의: 김효동 (hkimscil at ajou dot ac dot kr) * 담당조교: * 이름: * 연구실: * 이메일: * 전화: 교과목개요 text/html 2026-07-01T06:02:29+00:00 hkimscil (hkimscil@undisclosed.example.com) http://www.commres.net/standard_error_of_regression_coefficient?rev=1782885749&do=diff Standard Error of Regression Coefficient see <https://academicweb.nd.edu/~rwilliam/stats1/x91.pdf> $ \hat{Y} = a + b X $ 에서 b 에 대한 standard error 값을 말한다. 이 standard error는 샘플에서 구한 b값으로 모집단의 (population의) b값을 추정하는 데 쓰인다. \begin{eqnarray*} \text{se}_{b} & = & \sqrt { \dfrac {\text{MSE}} {\text{ss(x)} } } \;\;, \text{ MSE } & = & \text{Mean Square Residuals (Errors)} \\ & = & \dfrac {s_{e}} {\sqrt{ss(x)} } \\ & = & \dfrac {s_{e}} {\Sigma{(x_{i}-\overline{x})^2}} \\ & = & \dfrac { \sqrt {\dfrac{ \… text/html 2026-07-01T05:39:39+00:00 hkimscil (hkimscil@undisclosed.example.com) http://www.commres.net/c/ma/2026?rev=1782884379&do=diff Media Analytics: 2026 private note 미디어 애널리틱스 실라버스 * ajou bb: <http://eclass2.ajou.ac.kr> or via <http://portal.ajou.ac.kr> * wiki site: this site <http://commres.net/> * TA: * email: 개요 데이터사이언스, 빅데이터분석을 위해 필수적으로 습득해야 할 R프로그래밍을 숙지하고 이를 사회과학적인 연구디자인과 검증에 이용하는 것을 다룬다. R은 프로그래밍방식의 데이터분석 툴이며, SPSS와 같은 GUI방식의 데이터분석툴에 비해 어려게 느껴질 수 있으나 익숙해지면 훨씬 더 다양한 분석, 편리하고 효율적인 분석이 가능하다. 또한 GUI방식에 비해 직접수식과 알고리즘을 입력해야하므로 통계 및 데이터분석에 대해 더 깊이있는 이해를 얻을 수 있는 장점이있다. 미디어애널리틱에서는 복잡하고 난이도 높은 R프로그래밍은 지양하고, 데이터의… text/html 2026-06-25T01:35:36+00:00 hkimscil (hkimscil@undisclosed.example.com) http://www.commres.net/?image=pasted%3A20260625-013536.png&ns=pasted&rev=1782351336&tab_details=history&media_do=diff&do=media <img src="http://www.commres.net/_media/pasted/20260625-013536.png?w=500&amp;h=500&amp;tok=1a3693" alt="20260625-013536.png" loading="lazy" width="500" height="500" /> text/html 2026-06-09T23:14:39+00:00 hkimscil (hkimscil@undisclosed.example.com) http://www.commres.net/?image=pasted%3A20260609-231439.png&ns=pasted&rev=1781046879&tab_details=history&media_do=diff&do=media <img src="http://www.commres.net/_media/pasted/20260609-231439.png?w=500&amp;h=500&amp;tok=06920d" alt="20260609-231439.png" loading="lazy" width="500" height="500" /> text/html 2026-06-09T23:06:01+00:00 hkimscil (hkimscil@undisclosed.example.com) http://www.commres.net/?image=pasted%3A20260609-230601.png&ns=pasted&rev=1781046361&tab_details=history&media_do=diff&do=media <img src="http://www.commres.net/_media/pasted/20260609-230601.png?w=500&amp;h=500&amp;tok=a5bdcc" alt="20260609-230601.png" loading="lazy" width="500" height="500" /> text/html 2026-06-09T23:05:16+00:00 hkimscil (hkimscil@undisclosed.example.com) http://www.commres.net/?image=pasted%3A20260609-230516.png&ns=pasted&rev=1781046316&tab_details=history&media_do=diff&do=media <img src="http://www.commres.net/_media/pasted/20260609-230516.png?w=500&amp;h=500&amp;tok=976eb1" alt="20260609-230516.png" loading="lazy" width="500" height="500" /> text/html 2026-06-09T23:05:05+00:00 hkimscil (hkimscil@undisclosed.example.com) http://www.commres.net/?image=pasted%3A20260609-230505.png&ns=pasted&rev=1781046305&tab_details=history&media_do=diff&do=media <img src="http://www.commres.net/_media/pasted/20260609-230505.png?w=500&amp;h=500&amp;tok=b2f7a6" alt="20260609-230505.png" loading="lazy" width="500" height="500" /> text/html 2026-06-09T23:04:52+00:00 hkimscil (hkimscil@undisclosed.example.com) http://www.commres.net/?image=pasted%3A20260609-230452.png&ns=pasted&rev=1781046292&tab_details=history&media_do=diff&do=media <img src="http://www.commres.net/_media/pasted/20260609-230452.png?w=500&amp;h=500&amp;tok=8363d2" alt="20260609-230452.png" loading="lazy" width="500" height="500" /> text/html 2026-06-09T22:44:30+00:00 hkimscil (hkimscil@undisclosed.example.com) http://www.commres.net/?image=pasted%3A20260609-224430.png&ns=pasted&rev=1781045070&tab_details=history&media_do=diff&do=media <img src="http://www.commres.net/_media/pasted/20260609-224430.png?w=500&amp;h=500&amp;tok=aa2ab9" alt="20260609-224430.png" loading="lazy" width="500" height="500" /> text/html 2026-06-09T22:44:14+00:00 hkimscil (hkimscil@undisclosed.example.com) http://www.commres.net/?image=pasted%3A20260609-224414.png&ns=pasted&rev=1781045054&tab_details=history&media_do=diff&do=media <img src="http://www.commres.net/_media/pasted/20260609-224414.png?w=500&amp;h=500&amp;tok=119c00" alt="20260609-224414.png" loading="lazy" width="500" height="500" /> text/html 2026-06-04T02:53:38+00:00 hkimscil (hkimscil@undisclosed.example.com) http://www.commres.net/?image=r%3Acolleges.csv&ns=r&rev=1780541618&tab_details=history&media_do=diff&do=media <img src="http://www.commres.net/lib/images/fileicons/svg/csv.svg" alt="colleges.csv" loading="lazy" width="500" height="500" /> text/html 2026-05-26T23:39:38+00:00 hkimscil (hkimscil@undisclosed.example.com) http://www.commres.net/?image=c%3Ams%3A2026%3Aschedule%3Apasted%3A20260526-233938.png&ns=c%3Ams%3A2026%3Aschedule%3Apasted&rev=1779838778&tab_details=history&media_do=diff&do=media <img src="http://www.commres.net/_media/c/ms/2026/schedule/pasted/20260526-233938.png?w=500&amp;h=500&amp;tok=bf41ce" alt="20260526-233938.png" loading="lazy" width="500" height="500" /> text/html 2026-05-26T23:35:42+00:00 hkimscil (hkimscil@undisclosed.example.com) http://www.commres.net/?image=c%3Ams%3A2026%3Aschedule%3Apasted%3A20260526-233542.png&ns=c%3Ams%3A2026%3Aschedule%3Apasted&rev=1779838542&tab_details=history&media_do=diff&do=media <img src="http://www.commres.net/_media/c/ms/2026/schedule/pasted/20260526-233542.png?w=500&amp;h=500&amp;tok=e06f73" alt="20260526-233542.png" loading="lazy" width="500" height="500" />