Tableauã®ããŒã¿åæã»å¯èŠåã
åºç€ïŒå®ç¿ãäžã€ã®è¬çŸ©ã§ãã¹ã¿ãŒããŸãããïŒ
Tableauãæ°åã¯ãªãã¯ããã ãã§
ç°¡åã«äœ¿ãããªããŸãããïŒ
匷åãªããŒã¿åæã»å¯èŠåããŒã«ãTableauïŒã¿ãããŒïŒ
TableauïŒã¿ãããŒïŒã¯ãã¯ãªãã¯ã ãã§ç°¡åã«ããŒã¿ãåæããããã·ã¥ããŒããäœæã§ãã䟿å©ãªããŒã«ã§ãããã®ãããã³ãŒãã£ã³ã°ã¯ã§ããªãããã©ããŒã¿åæããããæ¹ã«æé©ãªããŒã«ã§ãã
ããããTableauãèµ·åããŠã¿ããã®ã®ãç»é¢ã«ãããããªé
ç®ããã£ãŠã©ãããå§ããã°ãããåãããŸãããïŒæåã«åŠã¶æã®è² æ
ã倧ããæããããŸããïŒãŸãã¯è³æ Œè©Šéšã®ç¯å²ããã£ãšç¢ºèªããããšãç®æšã«å§ããŠã¿ãŸãããïŒ
è² æ
ã¯æžãããå¹çã¯ããã«é«ããããããã«ã
ðââïž TableauãäžåºŠã«ããã£ãšç¢ºèªãããå
¥éè
ðââïž ã¯ãªãã¯ã ãã§ããŒã¿åæããããæ¹
ðââïž Tableauã§ã©ã®ã·ã§ãŒãã«ããããŒã䜿ãã°äŸ¿å©ãç¥ãããæ¹
ç§ãã¡ã®ããŒãºã«åã£ãããŒã¿èŠèŠåããã³åæãã§ããããããã®è¬çŸ©ã§ã¯Tableau Desktop FoundationsïŒæ§Tableau Desktop SpecialistïŒè³æ Œã¬ã€ãã§æç€ºãããå
¬åŒã®è©Šéšç¯å²ã«åŸã£ãŠé²ããŠãããŸãã
ã©ããªç¥èã§ããåããŠåŠã¶ãšãã¯ã©ãããå§ããã°ããã®ãéæ¹ã«æ®ããŠããŸããã¡ã§ãããããããªãšããç§ã¯è©Šéšã掻çšããŸããããããããšã§ãèªç¶ãšå
šäœçãªæŠå¿µãåŠã³ãªãããéèŠãªå
容ã¯ãã詳现ã«ãããŸãéèŠã§ãªãå
容ã¯äžæŠãã¹ããŠãå¹ççã«åŠç¿ããããšãã§ããŸãã
å¿
ãããè³æ ŒãååŸããªããŠã倧äžå€«ã§ããåå¿è
ã®æ°æã¡ã«å¯ãæ·»ããåããŠåŠã¶è² æ
ãæžãããŠãäžæ©ãã€ã¿ãããŒã«è»œãæ°æã¡ã§æ©ã¿å¯ããããããã®è¬çŸ©ãäŒç»ããŸãããä»å¹Žããã¯ãã²ãã¿ãããŒã«åãã£ãŠç¬¬äžæ©ãèžã¿åºããŠã¿ãŠãã ããïŒ
Tableauã§äœæããå°å³ããŒã¹ã®ååžå¯èŠåãã£ãŒã
åå¿è
ã®ç®ç·ã«ãŽã£ããåããã
TableauïŒã¿ãããŒïŒãžã®ç¬¬äžæ©
å
¬åŒãææ¡ããå¹ççãªåŠç¿ç¯å²
å
¬åŒã®è©Šéšç¯å²ã«æ²¿ã£ãŠãããããéžæãšéäžãå¯èœã§ããåºæ¬çãªå
容ããå§ãŸããTableauã®æ§æèŠçŽ ãäœãæå³ããã®ããçè§£ã§ããéæã«çã蟌ãŸããã³ããéããŠãçŽ æ©ã广çã«ç¿åŸããããšãã§ããŸãã
ãã¡ããããã®å
容ãäžäººã§äžã€ãã€æ¯èŒããªããå匷ããã«ã¯ãè±èªãèãæ
£ããªãçšèªã®ããã§å€§å€ã§ãããïŒãããããã®è¬åº§ã§ã¯æŠå¿µã®èª¬æãšå®ç¿ã䞊è¡ãããããææ¥ãèŠãªããèªåã§é²ããããšãã§ããŸããããã«ãè±èªã®çšèªã¯éåœèªã§æ¹ããŠèª¬æããããšã§ãè² æ
ã軜æžã§ããããã«æ§æããŸããã
åå¿è
ãžã®é
æ
®ãè©°ãŸã£ãè¬çŸ©è³æ + 宿é¡ã®æäŸ
åè¬çã®ããã®çè«ææ¥PPTãæäŸãããŸããæåã®ã¹ã©ã€ãã«ã¯Tableauã®æ žå¿çšèªãèšèŒãããŠãããããããäœãæ±ãã®ããã©ã®ãããªæŠå¿µãæ©èœãéèŠãªã®ããäžç®ã§ç¢ºèªã§ããŸãã
Tableauè³æ Œã¬ã€ãããæç²ããç®æ¬¡ãšãšãã«ãæåŸã®ã¹ã©ã€ãã§ã¯è¬çŸ©ã§æ±ã£ãå
容ãç¹ããŠåŸ©ç¿ããã»ã¯ã·ã§ã³ãŸã§çšæãããŠããŸããããããŠãäžäººã§åŠç¿ããªããTableauãç·Žç¿ã§ããããã«ã»ã¯ã·ã§ã³å¥ã®å®¿é¡ããã³ãœãªã¥ãŒã·ã§ã³ãæäŸããŸããçããã®Tableauã®å®åãçŽæ¥ãã§ãã¯ããŠã¿ãŠãã ããïŒ
詳现ã«ãªãã¥ã©ã
è¬çŸ©ã¯å€§ãã4ã€ã®ããŒãã«åãããŠããŸãã
Part 1.
Tableauã®åºæ¬æŠå¿µã®çè§£
Tableauãæã€åºæ¬æŠå¿µã«ã€ããŠæ±ããŸããDimension vs Measure / Discrete vs Continuousãªã©ã®çšèªæŽçãè¡ããªãããæ¬¡ã®Partã«é²ãæºåãããŸãã
Part 2.
ããŒã¿åæ
åºæ¬çãªTableauãã£ãŒãïŒäŸïŒæ£ã°ã©ããæãç·ã°ã©ããæ£åžå³ãããããªã©ïŒãšããã®äžã«é©çšããTableauã®æ©èœã«ã€ããŠæ®µéçã«åŠã³ãŸãã
æ§ã
ãªèŠèŠåææ³ãšè©³çްãªåæãæ±ãããããã®ããŒããæãéèŠã§ããPart 1ã2ãŸã§åè¬ããã°ãExcelçšåºŠã®å€§ãããªãããŒã¿ãäžäººã§åæã§ããå®åã身ã«ã€ããŸãã
Part 3.
ã€ã³ãµã€ãã®å
±æ
ããŒã¿ãéããŠçºèŠããã€ã³ãµã€ãã广çã«ä»è
ãšå
±æããTableauãªãã§ã¯ã®æ¹æ³ã«ã€ããŠæ±ããŸãã
ç§ãã¡ãããŒã¿ãåæããæçµçãªç®æšã¯ãçµå±ã®ãšãããèªåãèŠã€ããã€ã³ãµã€ããä»ã®äººã«å
±æããããã§ããããPart 2ãŸã§åŠãã å
容ãéããŠèŠã€ããã€ã³ãµã€ãããTableauã®ããã·ã¥ããŒããã¹ããŒãªãŒæ©èœã䜿ã£ãŠå
±æããæ¹æ³ã«ã€ããŠåŠã³ãŸãã
Part 4.
ããŒã¿æ¥ç¶
2ã€ä»¥äžã®ããŒã¿ãã¡ã€ã«ãçµåããéã«å¿
èŠãªæ¹æ³ã«ã€ããŠåŠã³ãŸããã»ãšãã©ã®å Žåã¯äžã€ã®ããŒã¿ãã¡ã€ã«ãæ±ãããããã¹ãŠã®åè¬çã«å¿
èŠãªå
容ã§ã¯ãããŸããããæ°è»œã«èŠããŠããã°åœ¹ç«ã€æ°ããæ©èœã«ã€ããŠåŠãã§ã¿ãŸãããã
íëžë¡ ê°ë
ì©ìŽ ì 늬 (Measure / Dimension)
Q&A ð
Q. ã¿ãããŒãåŠã¶ãšäœãè¯ãã®ã§ããïŒ
ããŒã¿ã¯5ã€ãè¶
ããã ãã§ããç®ã§èŠãŠæå³ãææ¡ããã®ãé£ãããªããŸããååãäžåã«åã¶èšå€§ãªããŒã¿ã§ããã°ãããŒã«ã®å©ããªãã«ã¯ãã®å
šå®¹ãææ¡ããããšã¯å°é£ã§ããããããTableauãåŠã¹ã°ãæ°åã®ã¯ãªãã¯ã ãã§ããã°ããŒã¿ã®ç¹æ§ãäžç®ã§ææ¡ã§ããããã«ãªããŸãããããããšæ¹æ³ãé©çšãããã³ã«ãæ°ããé£ã³åºããŠããã€ã³ãµã€ããèŠã€ããæ¥œãããŸã§æããããšãã§ããŸãã
Q. éå°éå®¶ã§ãåè¬ã§ããè¬åº§ã§ããïŒ
ã¯ãããã®è¬çŸ©ã¯åå¿è
åãã§ããã¯ãªãã¯æäœã§ãšã¯ã»ã«ãåããŠåŠã¶æã®ãããªæèŠã§ãã¿ãããŒã«è§ŠããŠã¿ãŠãã ããïŒ
Q. ãã®è¬çŸ©ããã¹ãŠèãçµããåŸãåè¬çã§ããç§ã¯ã©ã®ã¬ãã«ãŸã§å°éã§ããŸããïŒ
è¬çŸ©ã®åå50%ããã£ããé²ããŠããã ããã°ãTableauã䜿ã£ãŠäžäººã§æãããŒã¿ãåæã§ããã¬ãã«ã«ãªããŸããæ®ãã®50%ãŸã§å®éããã°ãä»ã®äººã«èªåã®ã€ã³ãµã€ããå
±æã§ããã¬ãã«ã«ãªããŸãã