http://w.atwiki.jp/hayeong/ hayeong @ ウィキ ja 2013-05-14T14:50:35+09:00 1368510635 https://w.atwiki.jp/hayeong/pages/76.html [[as.numeric]](myData) #数字として認識させる（ベクトル） data.matrix(myData)#数字として認識させる（マトリクス） ーーー 2013-05-14T14:50:35+09:00 1368510635 https://w.atwiki.jp/hayeong/pages/75.html Error in plot.window(...) : need finite 'xlim' values In addition: Warning messages: 1: In xy.coords(x, y, xlabel, ylabel, log) : NAs introduced by coercion 2: In xy.coords(x, y, xlabel, ylabel, log) : NAs introduced by coercion 3: In min(x) : no non-missing arguments to min; returning Inf 4: In max(x) : no non-missing arguments to max; returning -Inf 5: In min(x) : no non-missing arguments to min; returning Inf 6: In max(x) : no non-missing arguments to max; returning -Inf The problem is that the code is assigning the character strings "V1" and "V2" to x and y, and not the numerical data. It is needed to assign the read.table results to a variable. 2013-05-14T14:41:33+09:00 1368510093 https://w.atwiki.jp/hayeong/pages/74.html 相関係数 ２変数がともに連続変数（間隔尺度，比率尺度）で正規分布している場合，ピアソンの積率相関係数を用います。 ２変数が、正規分布していない場合や、離散変数（名義尺度，順序尺度）の場合，スピアマンの順位相関係数を用います。 2013-01-08T18:02:40+09:00 1357635760 https://w.atwiki.jp/hayeong/pages/73.html Japanese Rururu House ---- 2011-09-05T12:51:22+09:00 1315194682 https://w.atwiki.jp/hayeong/pages/72.html 자유와 관련한 순우리말 늑줄주다 : (아랫 사람에게)엄한 감독을 늦추어 조금 자유롭게 하다. 드난:종과 같이 신체의 구속을 받으며 종살이 하는 것이 아니고 자유로 드나들며 고용살이를 하는 일. 일반적으로 여자에게 많이 쓰임. 임시로 남의 집에 살며 품삯을 받고 주인을 돕는 일. 또는 그런 사람. (freelancer) 입고프다 :자유롭고 숨김없이 말을 하고 싶다. 줌밖에 나다 : 남의 손아귀에서 벗어나다. 곧 자유롭게 되다. 줌안에 들다 : 남의 손아귀에 들어가다. 곧 자유를 속박 당하다. ---- 2011-09-05T12:52:05+09:00 1315194725 https://w.atwiki.jp/hayeong/pages/71.html Two-Stage Least Squares ---- 2011-09-01T14:50:30+09:00 1314856230 https://w.atwiki.jp/hayeong/pages/70.html Instrumental Variables（捜査変数法） 説明変数と誤差項が相関を持っている場合使う。 誤差項が相関する部分(Exogenous Variable)　＋　誤差項が相関しない部分 (Endogenous Variable)に分類する Instrument relevance (corr(zi,xi) not 0) Instrument exogeneity (corr(zi,ui) = 0 ) or E[Zu]=0 ---- 2011-09-01T14:47:46+09:00 1314856066 https://w.atwiki.jp/hayeong/pages/69.html -LS(Least Squares) --Ordinary Least Squares --TSLS:[[Two-Stage Least Squares]] --Partial Least Squares -ARI -IN:[[Instrumental Variables]] （操作変数法） -SUR(Seemingly Unrelated Regression) -ML -GMM ---- 2011-09-05T12:49:20+09:00 1315194560 https://w.atwiki.jp/hayeong/pages/68.html Open Source ---- 2011-08-25T15:37:26+09:00 1314254246 https://w.atwiki.jp/hayeong/pages/67.html http://api.twitter.com/1/statuses/user_timeline.xml?screen_name=hayeong_j http://api.twitter.com/1/statuses/user_timeline/hayeong_j.xml http://api.twitter.com/1/statuses/user_timeline.xml?user_id=284849567 http://api.twitter.com/1/statuses/user_timeline/284849567.xml xml, json ---- 2011-08-25T11:35:10+09:00 1314239710