Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article? 主æååæã¨ã¯ä¼¼ã¦éãªãææ³ã¨ãã¦ãå ååæã(Factor Analysis) ãããã¾ãã 主æååæ(PCA)ã§ã¯ã説æå¤æ°ã«å¯¾ãã¦éã¿è¡åï¼åºæãã¯ãã«ï¼a ãç·å½¢çµåããã主æåã yPC1ãåæãã¾ãããããã§ã主æåã¯ã説æå¤æ°ã¨åãæ°ã ãå®ç¾©ãã¾ãã yPC1 = a1,1 x1 + a1,2 x2 + a1,3 x3 + a1,4 x4 + a1,5 + ... å ååæã§ã¯ã説æå¤æ°ï¼è¦³æ¸¬å¤æ°ï¼x ããå åã(factor) ã¨ããæ½å¨å¤æ°ããåæãããã¨ããèãæ¹ã«åºã¥ãããã®å åå¾ç¹ f ã¨éã¿è¡åï¼å åè² è·ï¼
幸ãä¸å¹¸ãããã¸ãã¹ç³»ã®ãã¼ã¿ã®å¤ãã¯æç³»åãã¼ã¿ã§ãã売ä¸ãã¼ã¿ããã¼ã ã¼ãã¼ã¸ã®ã¢ã¯ã»ã¹ãã°ãã»ã³ãµã¼ãã¼ã¿ãæç³»åãã¼ã¿ã§ãã æç³»åãã¼ã¿ãæã«ããã¨ããã©ã®ãããªãã¼ã¿ãªã®ãè¦ã¦ã¿ãããã¨ãããã¨ã¯å¤ã ããã¾ãã å¤ãã®å ´åãæãç·ã°ã©ããæãå¾åãæ´ããã¨ãããã¨ãããã¾ãã æãç·ã°ã©ããçºããã¨ããã¬ã³ãï¼ä¸æå¾åãä¸éå¾åï¼ãå£ç¯æ§ãªã©ãè¦ã¦åããã±ã¼ã¹ãããã¾ãã ããã§ããµã¯ãã¨ãã¬ã³ããå£ç¯æ§ãªã©ãæ´ãææ³ãSTLå解ï¼Seasonal Decomposition Of Time Series By Loessï¼ã§ãã STLå解ï¼Seasonal Decomposition Of Time Series By Loessï¼ãå®æ½ãããã¨ã§ãå ãã¼ã¿ããã¬ã³ããå£ç¯æ§ãæ®å·®ã«å解ãããã¨ãã§ãã¾ãã å ãã¼ã¿ãï¼ããã¬ã³ããï¼ãå£ç¯æ§ãï¼ãæ®å·® STLå解ï¼Seas
転è·ã«ããã£ã¦ãã大ä¼æ¥ä»¥å¤èãã¦ããªãããä¸å°ä¼æ¥ã«å ¥ã£ã¦ä¸ç·ã«æé·ãããããªã©ã®ããã«ãä¼æ¥ã®è¦æ¨¡ã表ããã®ã¨ãã¦ããç¨ãããã¾ããå®ã¯æ¥æ¬å½å ã®å°±æ¥è æ°ã®ç´3åã®2ã¯ä¸å°ä¼æ¥ãéç¨ãã¦ãããå½ã«ã¯ãä¸å°ä¼æ¥åºãã¨ããä¸å°ä¼æ¥ã®è²æãçºå±ã«é¢ããäºåãªã©ãææããå°éã®çåºãè¨ç½®ãã¦ãããããããã®ååã¯ã¨ã¦ãéè¦ãªãã®ãªã®ã§ããä»åã¯å¤§ä¼æ¥ã¨ä¸å°ä¼æ¥ã®éãããã®å®ç¾©ã¨ä¼æ¥æ°ãå¾æ¥è æ°ã«ã¤ãã¦ãããããã解説ãããã¾ãã ã¾ãæåã«ã©ãããå ´åã«å¤§ä¼æ¥ã¨å¼ã³ãã©ãããå ´åã«ä¸å°ä¼æ¥ã¨å¼ã¶ã®ãããã®å®ç¾©ã«ã¤ãã¦ã説æãããã¾ãã ä¸å°ä¼æ¥ã®å®ç¾©ã¯ãä¸å°ä¼æ¥åºæ¬æ³ã«ããã¦å®ãããã¦ãã 製é æ¥ã®å ´åãè³æ¬é3ååä»¥ä¸ ã¾ã㯠å¾æ¥è æ°300äººä»¥ä¸ å¸å£²æ¥ã®å ´åãè³æ¬é1ååä»¥ä¸ ã¾ã㯠å¾æ¥è æ°100äººä»¥ä¸ å°å£²æ¥ã®å ´åãè³æ¬é5åä¸åä»¥ä¸ ã¾ã㯠å¾æ¥è æ°50äººä»¥ä¸ ãµã¼ãã¹æ¥ã®å ´åãè³
pivot_tableé¢æ° APIããã¥ã¡ã³ã params: returns: ãããããã¼ãã«ãä½æãã è¤æ°è¦ç´ ãå ã«å¤å±¤åããã ãã¼ã¿ã®åæ°ãã«ã¦ã³ããã åãã¨ã¨è¡ãã¨ã®åè¨ã表示 è¤æ°ã®çµ±è¨éã表示ããã é¢æ°ã使ã£ã¦çµ±è¨å¦çãæå®ãã æ¬ æå¤ãè£å® æ¬ æå¤ããããã¼ã¿ã表示ããã ã¾ã¨ã åè ãããããã¼ãã«ã¨ã¯ã¨ã¯ã»ã«ã§æåãªæ©è½ã®1ã¤ã§é¦´æã¿ã®æ¹ãå¤ãããããã¾ããã è¤éãªãã¼ã¿æ§é ãä¸ç®ã§åãããããããç®çã§ãã使ããããã®ã§ãã¯ãã¹éè¨ãããã®ãã¾ã¨ãããã®ã¨ãªãã¾ãã 2ã¤ã®è¦ç´ éã®ç¸é¢ãåãããããç¾ããã®ã§ä½¿ãããªããã¨éå®ããã§ããããä¾ãã°ç·å¥³éã§ã®ç§ç®ãã¨ã®å¹³åç¹ã¨ãã£ããã®ãã²ã¨ç®ã§ææ¡ãããã¨ãã§ãã¾ãã Pandasã§ãæ軽ã«ãããããã¼ãã«ãä½æã§ããpivot_tableé¢æ°ãå®è£ ããã¦ãã¾ãã ããã§æ¬è¨äºã§ã¯pivot_tableé¢æ°
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This document explains PCA, clustering, LFDA and MDS related plotting using {ggplot2} and {ggfortify}. Plotting PCA (Principal Component Analysis) {ggfortify} let {ggplot2} know how to interpret PCA objects. After loading {ggfortify}, you can use ggplot2::autoplot function for stats::prcomp and stats::princomp objects. library(ggfortify) df <- iris[1:4] pca_res <- prcomp(df, scale. = TRUE) autoplo
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