1. ããŒã¿ãµã€ãšã³ãã£ã¹ããšã¯
ããŒã¿ãµã€ãšã³ãã£ã¹ããšããè·çš®ã¯ãè¿å¹Žæ¥éã«æ³šç®ãéããŠããŸãããããããã®è·çš®ã«ã€ããŠã¯å€ãã®èª€è§£ãååšããŠããŸãããã®ã»ã¯ã·ã§ã³ã§ã¯ãããŒã¿ãµã€ãšã³ãã£ã¹ãã®åºæ¬çãªå®çŸ©ã圹å²ããããŠåžå Žã«ãããéèŠã«ã€ããŠè§£èª¬ããŸãã
1.1. ããŒã¿ãµã€ãšã³ãã£ã¹ãã®å®çŸ©
ããŒã¿ãµã€ãšã³ãã£ã¹ãã¯ãããŒã¿ã解æãããã®çµæãããžãã¹ãç 究ã«æŽ»ããå°é家ã§ããããã°ã©ãã³ã°ãçµ±èšåŠãããžãã¹æŠç¥ãªã©ãå€æ§ãªã¹ãã«ãæ±ããããŸãã
1.2. ããŒã¿ãµã€ãšã³ãã£ã¹ãã®åœ¹å²ãšè²¬ä»»
ããŒã¿ãµã€ãšã³ãã£ã¹ãã®äž»ãªåœ¹å²ã¯ã倧éã®ããŒã¿ããæçšãªæ å ±ãåŒãåºãããããããžãã¹æŠç¥ã補åéçºã«åœ¹ç«ãŠãããšã§ããå ·äœçã«ã¯ãããŒã¿ã®åéãååŠçã解æããããŠãã®çµæã®å ±åãªã©ãå«ãŸããŸãã
1.3. ããŒã¿ãµã€ãšã³ãã£ã¹ãã®éèŠãšåžå Ž
ããŒã¿ãµã€ãšã³ãã£ã¹ãã¯ãITæ¥çã¯ãã¡ãããå»çã補é æ¥ãéèãªã©å€ãã®åéã§éèŠããããŸããç¹ã«ãããŒã¿ãããžãã¹ã«ãããŠéèŠãªè³ç£ãšãªã£ãŠããçŸä»£ã«ãããŠããã®éèŠã¯ãŸããŸãé«ãŸã£ãŠããŸãã
2. å¿ èŠãªã¹ãã«ã»ãã
ããŒã¿ãµã€ãšã³ãã£ã¹ãã«ãªãããã«ã¯ãå€ãã®ã¹ãã«ãå¿ èŠã§ãããããã®ã¹ãã«ã¯ãããŒã¿ãå¹æçã«è§£æããããžãã¹ãç 究ã«æŽ»ããããã®ãã®ã§ãããã®ã»ã¯ã·ã§ã³ã§ã¯ãç¹ã«éèŠãªã¹ãã«ã«ã€ããŠè©³ãã説æããŸãã
2.1. ããã°ã©ãã³ã°èšèªïŒPython, Rãªã©ïŒ
ããŒã¿ãµã€ãšã³ãã£ã¹ãã«ãšã£ãŠãããã°ã©ãã³ã°èšèªã¯å¿ é ã®ã¹ãã«ã§ããç¹ã«PythonãšRã¯ãããŒã¿è§£æã«ãããŠãã䜿çšãããŸãããããã®èšèªã¯ãããŒã¿ã®ååŠçãã解æãå¯èŠåãŸã§å¹ åºã察å¿ããŠããŸãã
2.2. çµ±èšåŠãšæ©æ¢°åŠç¿
ããŒã¿ã解æããã«ã¯ãçµ±èšåŠã®ç¥èãäžå¯æ¬ ã§ããããã«ãæ©æ¢°åŠç¿ã®åºç€ãç解ããŠãããšãããé«åºŠãªããŒã¿è§£æãå¯èœã«ãªããŸããçµ±èšåŠã¯ããŒã¿ã®åŸåãææ¡ãããããæ©æ¢°åŠç¿ã¯ãã®åŸåãåºã«æªæ¥ã®äºæž¬ãªã©ãè¡ããŸãã
2.3. ããŒã¿ã®ååŠçãšã¯ã¬ã³ãžã³ã°
ããŒã¿è§£æã®åã«è¡ãããŒã¿ã®ååŠçãšã¯ã¬ã³ãžã³ã°ãéèŠãªã¹ãã«ã§ããååŠçã§ã¯ãããŒã¿ã解æãããã圢ã«æŽåœ¢ããŸããã¯ã¬ã³ãžã³ã°ã§ã¯ãäžæ£ç¢ºãªããŒã¿ãæ¬ æå€ãä¿®æ£ãŸãã¯é€å»ããŸãã
3. è³æ Œãšæè²
ããŒã¿ãµã€ãšã³ãã£ã¹ãã«ãªãããã«ã¯ãå°éçãªç¥èãšã¹ãã«ãå¿ èŠã§ãããããã身ã«ã€ããããã®æ¹æ³ã¯ããã€ãããããã®ã»ã¯ã·ã§ã³ã§ã¯ãã®äžã§ãç¹ã«éèŠãªè³æ Œãšæè²ã«ã€ããŠè©³ãã説æããŸãã
3.1. æçšãªè³æ ŒäžèŠ§
ããŒã¿ãµã€ãšã³ãã£ã¹ãã«æçšãªè³æ Œã¯å€æ°ååšããŸããäŸãã°ããCertified Data ScientistãããMachine Learning Specialistããªã©ããããŸãããããã®è³æ Œã¯ãå°éçãªç¥èãšã¹ãã«ã蚌æããããã®ãã®ã§ãå°±è·æŽ»åã«ãããŠã倧ããªã¢ããã³ããŒãžãšãªããŸãã
3.2. èªå·±åŠç¿ vs 倧åŠã»å°éåŠæ ¡
ããŒã¿ãµã€ãšã³ã¹ã®ç¥èã¯ã倧åŠãå°éåŠæ ¡ã§åŠã¶ããšããèªå·±åŠç¿ã§èº«ã«ã€ããããšãå¯èœã§ããã©ã¡ãã®æ¹æ³ãäžé·äžçããããèªåã®ã©ã€ãã¹ã¿ã€ã«ãåŠç¿ã¹ã¿ã€ã«ã«åãããŠéžã¶ããšãéèŠã§ãã
3.3. ãªã³ã©ã€ã³ã³ãŒã¹ãšããŒããã£ã³ã
è¿å¹Žã§ã¯ããªã³ã©ã€ã³ã³ãŒã¹ãããŒããã£ã³ãã人æ°ã®åŠç¿æ¹æ³ãšãªã£ãŠããŸãããããã¯çæéã§éäžçã«åŠã¶ããšãã§ããå€ãã®å Žåãå®è·µçãªã¹ãã«ã身ã«ã€ããããšãã§ããŸãã
4. å°æ¥æ§ãšãã£ãªã¢ãã¹
ããŒã¿ãµã€ãšã³ãã£ã¹ããšããŠåãéã®å°æ¥æ§ããã£ãªã¢ãã¹ã¯å€ãã®äººã«ãšã£ãŠéèŠãªæ€èšç¹ã§ãããã®ã»ã¯ã·ã§ã³ã§ã¯ã絊äžãæé²ã®å¯èœæ§ããããŠä»ã®è·çš®ãšã®æ¯èŒã«ã€ããŠè©³ãã説æããŸãã
4.1. 絊äžãšåŸ é
ããŒã¿ãµã€ãšã³ãã£ã¹ãã¯äžè¬çã«é«çµŠäžãæ¯æãããè·çš®ãšãããŠããŸããçµéšãã¹ãã«ãå€åå°ã«ãã£ãŠã倧ããå€ããããšããããŸãããå°éæ§ãé«ãããã«åŸ éãè¯ãåŸåã«ãããŸãã
4.2. æé²ãšã¹ãã·ã£ãªãŒãŒã·ã§ã³
ããŒã¿ãµã€ãšã³ãã£ã¹ãã®ãã£ãªã¢ãã¹ã¯å€å²ã«ããããŸããäžè¬çã«ã¯ãçµéšãç©ãããšã§ãããŒãžã¡ã³ãããžã·ã§ã³ã«æé²ããããšãå€ãã§ãããŸããç¹å®ã®åéãäŸãã°èªç¶èšèªåŠçãç»åèªèãªã©ã«ã¹ãã·ã£ãªãŒãŒã·ã§ã³ããéããããŸãã
4.3. ããŒã¿ãµã€ãšã³ãã£ã¹ã以å€ã®éžæè¢
ããŒã¿ãµã€ãšã³ã¹ã®ã¹ãã«ã¯ãããŒã¿ãµã€ãšã³ãã£ã¹ã以å€ã®è·çš®ã§ãæçšã§ããäŸãã°ãããŒã¿ã¢ããªã¹ããæ©æ¢°åŠç¿ãšã³ãžãã¢ãããžãã¹ã€ã³ããªãžã§ã³ã¹ãªã©ãå€ãã®éžæè¢ããããŸãã
5. å®è·µçãªã¹ãã«ã®ç£šãæ¹
ããŒã¿ãµã€ãšã³ãã£ã¹ããšããŠæåããããã«ã¯ãå®è·µçãªã¹ãã«ã®ç£šãæ¹ãéåžžã«éèŠã§ãããã®ã»ã¯ã·ã§ã³ã§ã¯ããããžã§ã¯ãã®åãçµã¿æ¹ãã³ãã¥ãã±ãŒã·ã§ã³ã®éèŠæ§ãããã«ã¯ãããã¯ãŒãã³ã°ãšãã£ãå®è·µçãªã¹ãã«ã«çŠç¹ãåœãŠãŠããŸãã
5.1. ãããžã§ã¯ããšããŒããã©ãªãª
å®è·µçãªã¹ãã«ã磚ãæãå¹æçãªæ¹æ³ã®äžã€ã¯ããããžã§ã¯ãã«åãçµãããšã§ãããããŠããã®ææãããŒããã©ãªãªãšããŠãŸãšããããšã§ãèªåã®ã¹ãã«ã蚌æããããšãã§ããŸãã
5.2. ã³ãã¥ãã±ãŒã·ã§ã³ãšãã¬ãŒã³ããŒã·ã§ã³
ããŒã¿ã解æããã¹ãã«ã ãã§ãªãããã®çµæãä»äººã«å¹æçã«äŒããã³ãã¥ãã±ãŒã·ã§ã³ã¹ãã«ãå¿ èŠã§ããç¹ã«ãã¬ãŒã³ããŒã·ã§ã³ã¯ãèªåã®èããæ確ã«äŒããããã®éèŠãªæ段ã§ãã
5.3. ãããã¯ãŒãã³ã°ãšã¡ã³ã¿ãŒã·ãã
æåããããã«ã¯ãæ¥çå ã§ã®ãããã¯ãŒãã³ã°ãéèŠã§ãããŸããçµéšè±å¯ãªäººããåŠã¶ã¡ã³ã¿ãŒã·ãããæçšãªæ¹æ³ãšãããŠããŸãã
6. ã±ãŒã¹ã¹ã¿ãã£
ããŒã¿ãµã€ãšã³ãã£ã¹ããšããŠã®ãã£ãªã¢ãèããéãå®éã®äºäŸãç¥ãããšã¯éåžžã«æçšã§ãããã®ã»ã¯ã·ã§ã³ã§ã¯ãæåããããŒã¿ãµã€ãšã³ãã£ã¹ãã®äºäŸããããžã§ã¯ãã®å€±æãšãã®æèšãããã«ã¯æ¥çå¥ã®ããŒã¿ãµã€ãšã³ã¹ã®é©çšã«ã€ããŠæ¢ããŸãã
6.1. æåããããŒã¿ãµã€ãšã³ãã£ã¹ãã®äºäŸ
æåããããŒã¿ãµã€ãšã³ãã£ã¹ãã®äºäŸãç¥ãããšã§ãäœãæåã®èŠå ã§ããã®ããç解ããæãããã«ãªããŸããäŸãã°ãç¹å®ã®ãããžã§ã¯ãã§é¡èãªææãäžãã人ç©ããç¬èªã®ææ³ãéçºããŠæ¥çã«è²¢ç®ãã人ç©ãªã©ãããŸãã
6.2. ãããžã§ã¯ãã®å€±æãšãã®æèš
倱æã¯æåã®ããšãšããèšãããŸããã倱æããåŠã¶ããšãéåžžã«éèŠã§ããç¹ã«ãããŒã¿ãµã€ãšã³ã¹ã®ãããžã§ã¯ãã¯è€éã§ããã倱æäºäŸãç¥ãããšã§ãåãéã¡ãç¯ããªãããã«ããããšãã§ããŸãã
6.3. ã€ã³ãã¹ããªãŒå¥ã®ããŒã¿ãµã€ãšã³ã¹ã®é©çš
ããŒã¿ãµã€ãšã³ã¹ã¯å€ãã®æ¥çã§é©çšãããŠããŸããäŸãã°ãå»çã補é æ¥ãããŒã±ãã£ã³ã°ãªã©ããã®é©çšç¯å²ã¯åºãã£ãŠããŸããåæ¥çã§ã®æåäºäŸãææŠç¹ãç¥ãããšã§ãããåºãèŠéãæã€ããšãã§ããŸãã
7. ããŒã¿ãµã€ãšã³ãã£ã¹ãã®æ¥åžž
ããŒã¿ãµã€ãšã³ãã£ã¹ããšããŠåãæ¥åžžã«ã¯ã©ã®ãããªæ¥åãå«ãŸããã®ã§ããããããã®ã»ã¯ã·ã§ã³ã§ã¯ãäžæ¥ã®æµããããŒã ã§ã®åœ¹å²ããããŠä»äºã®ããããã«ã€ããŠæ¢ããŸãã
7.1. äžæ¥ã®æ¥åãããŒ
ããŒã¿ãµã€ãšã³ãã£ã¹ãã®äžæ¥ã¯å€å²ã«ããããŸããããŒã¿ã®åéããåæããããŠã€ã³ãµã€ãã®æœåºãŸã§ãå€ãã®ã¹ããããå«ãŸããŸãã
7.2. ããŒã å ã§ã®åœ¹å²
å€ãã®å ŽåãããŒã¿ãµã€ãšã³ãã£ã¹ãã¯ãã«ããã£ã·ããªã³ãªããŒã ã®äžå¡ãšããŠåããŸãããšã³ãžãã¢ãããžãã¹ã¢ããªã¹ãããããã¯ããããŒãžã£ãŒãšé£æºããŠããããžã§ã¯ããæåã«å°ããŸãã
7.3. ä»äºã®ãããã
ããŒã¿ããæ°ãã䟡å€ãçã¿åºãéçšã¯ãå€ãã®ããŒã¿ãµã€ãšã³ãã£ã¹ãã«ãšã£ãŠå€§ããªãããããšãªã£ãŠããŸãã解決ãã¹ãåé¡ãæ確ã§ããã®è§£æ±ºã«åããŠæ¥ã åªåããããšãããã®ä»äºã®ééå³ã§ãã
8. ããŒã¿ãµã€ãšã³ã¹ã®ç€ŸäŒç圱é¿
ããŒã¿ãµã€ãšã³ã¹ã¯ããžãã¹ã ãã§ãªãã瀟äŒå šäœã«ã倧ããªåœ±é¿ãäžããŠããŸãããã®ã»ã¯ã·ã§ã³ã§ã¯ãããŒã¿ãµã€ãšã³ã¹ã瀟äŒã«äžããããžãã£ããªåœ±é¿ãšæœåšçãªãªã¹ã¯ã«ã€ããŠèå¯ããŸãã
8.1. ããžãã£ããªåœ±é¿ïŒã€ãããŒã·ã§ã³ãšå¹çå
ããŒã¿ãµã€ãšã³ã¹ã¯ãæ°ããã€ãããŒã·ã§ã³ãçãåååãšãªã£ãŠããŸãããŸããããŒã¿è§£æã«ãã£ãŠæ¥åã®å¹çåãå³ãããããã¹ã ãŒãºãªéå¶ãå¯èœã«ãªã£ãŠããŸãã
8.2. æœåšçãªãªã¹ã¯ïŒãã©ã€ãã·ãŒãšå«ç
äžæ¹ã§ãããŒã¿ã®äžé©åãªåãæ±ãããã©ã€ãã·ãŒäŸµå®³ãå«ççãªåé¡ãåŒãèµ·ããå¯èœæ§ããããŸããããã«å¯Ÿãã察çãšèªèãå¿ èŠã§ãã
8.3. 瀟äŒå šäœã§ã®ããŒã¿ãªãã©ã·ãŒ
ããŒã¿ãªãã©ã·ãŒã¯ä»åŸãäžè¬ã®äººã ã«ãå¿ èŠãšãããã¹ãã«ã«ãªãã§ããããããŒã¿ãç解ããé©åã«æŽ»çšããèœåã¯ãããããã®ç€ŸäŒã§ãŸããŸãéèŠã«ãªããŸãã
9. ãŸãšã
ãã®èšäºã§ã¯ãããŒã¿ãµã€ãšã³ãã£ã¹ãã«å¿ èŠãªã¹ãã«ãè³æ Œãæè²ããããŠãã£ãªã¢ã®å°æ¥æ§ã«ã€ããŠè©³ãã解説ããŸãããããã«ãããŒã¿ãµã€ãšã³ã¹ã®ç€ŸäŒç圱é¿ã«ã觊ãããã®éèŠæ§ãšãªã¹ã¯ãèå¯ããŸããã
9.1. ããŒã¿ãµã€ãšã³ãã£ã¹ããšããŠæåããããã«
æåããããã«ã¯ãæè¡çãªã¹ãã«ã ãã§ãªããã³ãã¥ãã±ãŒã·ã§ã³èœåãããžãã¹ç解ãå¿ èŠã§ããç¶ç¶çãªåŠç¿ãšã¢ããã¹ãã«ãäžå¯æ¬ ã§ãã
9.2. ããŒã¿ãµã€ãšã³ã¹ã®æã€äºé¢æ§
ããŒã¿ãµã€ãšã³ã¹ã¯å€ãã®ããžãã£ããªåœ±é¿ããããããŸãããå«ççãªåŽé¢ãèæ ®ããå¿ èŠããããŸããããŒã¿ã®åãæ±ãã«ã¯ååãªæ³šæãå¿ èŠã§ãã
9.3. ããããã®å±æ
ããŒã¿ãµã€ãšã³ã¹ã¯é²åãç¶ããåéã§ããæ°ããæè¡ãææ³ãæ¥ã éçºãããŠãããããããããã®éèŠæ§ã¯å¢ããŠããã§ãããã