æµãèªã¿ãããã¦ããªãã£ããLean Analyticsãã§ãããããããã¦ãã£ããèªãã§ã¿ãã¨ä»®èª¬ã¨æ¤è¨¼/ãã¼ã¿ããªãã³ã®ãã¼ã ãä½ãä¸ã§å¤§åãªâææ¨ãè¨æ¸¬ãåæâã®æ¬è³ªããã©ãã©ã æå¤ã¨ééããå¤ãKPIè¨å®ã«ãããï¼ã¤ã®ãã¤ã³ããã¡ã¢ã ãªããKPIã¯å²å(ratio)ãæ¯ç(rate)ã§ãªãã¨ãããªãã®ãã 1.Ratios are easier to act on(å²åã¯è¡åã容æã«ãã) è»ã®é転ãæãæµ®ãã¹ãã¨ãããç®çå°ã¾ã§ã®ãè·é¢ãã¯ã¨ã¦ã大äºãªæ å ±ã ãããã¹ãã¼ãï¼æé/è·é¢ï¼ãã¯ä»ã®ç¶æ ãæãã¦ãããææ¨ãªã®ã§ããã«é転ã«ãã£ã¼ãããã¯ã§ãããä»ã®ã¹ãã¼ããåããã°ãç®æ¨ã®æéã¾ã§ã«ç®çå°ã«çãããã«æ¥ãã ãããã£ãããããè¡åãå¤ãããã¨ãã§ããã 2.Ratios are inherently comparative(å²åã¯æ¬è³ªçã«æ¯è¼ãããã) ã¹ãã¼ãã¨ãã
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