t-sne を調べてみた(実装編)

Transcript

1.  UTOF
   Λௐ΂ͯΈͨ ࣮૷ฤ 1ZUIPOػցֶशษڧձ
   JO
   ৽ׁ
   ̍̏
   ,FJ
   .JOBHBXB !LFJNJOB
   IUUQLFJNJOBIBUFOBCMPHKQ
2. UTOF
   ͬͯԿ σʔλͷ࣍ݩΛ࡟ݮ͢Δख๏ Ͱ͢
3. લճͷൃදͰߦͬͨ͜ͱ w UTOFͷϥΠϒϥϦΛ࢖༻ͨ͠
   w TLMFBSONBOJGPME54/&
   Λ࢖༻͢Ε͹Ͱ͖Δ
   w ࢀߟࢿྉΛௐ΂ͨ
   w ZPVUVCF
   w XJLJQFEJBͳͲ
   w UTOFͷಛ௃Λௐ΂ͨ
   w ΠςϨʔςΟϒͳΞϧΰϦζϜͰ͋Δ͜ͱ
   w ίετؔ਺ͱͯ͠ΤϯτϩϐʔΛར༻͍ͯ͠Δ͜ͱ લճͷൃදࢿྉ63-
   IUUQTTQFBLFSEFDLDPNLFJNJOBUTOFXPEJBPCFUFNJUBUV[IPOHNBEF
4. ࠓճ͸࣮૷ͯ͠Έ·ͨ͠
5. ݸਓతʹղফ͔ͨͬͨٙ͠໰ ຊ౰ʹ͍͍ײ͡ʹ
   ࣍ݩ͕࡟ݮ͞ΕΔͷ͔ʁ ίετؔ਺ʹΤϯτϩϐʔΛ࢖༻͢Δ͜ͱͰ ຊ౰ʹ͏·͍͘͘ͷ͔ʁ ٙ ໰ ̍ ٙ ໰ 
6. ཧ૝ w ίετؔ਺ʹ,-μΠόʔδΣϯ εΛ࢖༻
   w TJNJMBSJUZ ྨࣅ౓ ͷܭࢉʹU෼෍ Λ࢖༻͢Δ ࠓճͷ࣮૷ͷ஫ҙ఺ ࠓճ͸ਖ਼ن෼෍Λ࢖༻͢Δ ࣮ࡍ ίετؔ਺ʹ,-μΠόʔ δΣϯεΛ࢖༻͢Δ IUUQTKBXJLJQFEJBPSHXJLJΧϧόοΫɾϥΠϒϥʔ৘ใྔަࠩΤϯτϩϐʔͱͷؔ܎
7. IUUQTHJTUHJUIVCDPNLFJNJOB FCGCCDBGED ࣮૷ίʔυ
8. /P Y Z                   ද
   ೖྗσʔλ ࣮૷ͨ͠UTOFͷग़ྗ 4LMFBSOͷUTOFͷग़ྗ 4LMFBSOͷ1$"ͷग़ྗ ͍͍ײ͡Ͱ͸ͳ͍ ୈ̍৅ݶ ୈ̎৅ݶ ୈ̏৅ݶ ֶशෆ଍ͱࢥΘΕΔ ͍͍ײ͡ ͍͍ײ͡
9. ݸਓతʹղফ͔ͨͬͨٙ͠໰ʹ͍ͭͯ ຊ౰ʹ͍͍ײ͡ʹ
   ࣍ݩ͕࡟ݮ͞ΕΔͷ͔ʁ ίετؔ਺ʹΤϯτϩϐʔΛ࢖༻͢Δ͜ͱͰ ຊ౰ʹ͏·͍͘͘ͷ͔ʁ ٙ ໰ ̍ ٙ ໰  ຊ౰Ͱͨ͠ ຊ౰Ͱͨ͠
10. ͸·ͬͨͱ͜Ζͱղܾํ๏ w 1Z5PSDIͷࣗಈඍ෼ػೳΛ༻͍ͯɺύϥϝʔλͷߋ৽Λߦ͏ͱɺΤϥʔʹͳ Δɻܯࠂͷදࣔʹै͍ղܾͨ͠ɻ 6TFS8BSOJOH
    5IF
    HSBE
    BUUSJCVUF
    PG
    B
    5FOTPS
    UIBU
    JT
    OPU
    B
    MFBG
    5FOTPS
    JT
    CFJOH
    BDDFTTFE
    *UT
    HSBE
    BUUSJCVUF
    XPOU
    CF
    QPQVMBUFE
    EVSJOH
    BVUPHSBECBDLXBSE 
    *G
    ZPV
    JOEFFE
    XBOU
    UIF
    HSBEJFOU
    GPS
    B
    OPOMFBG
    5FOTPS
    VTF
    SFUBJO@HSBE
    PO
    UIF
    OPOMFBG
    5FOTPS
    *G
    ZPV
    BDDFTT
    UIF
    OPOMFBG
    5FOTPS
    CZ
    NJTUBLF
    NBLF
    TVSF
    ZPV
    BDDFTT
    UIF
    MFBG
    5FOTPS
    JOTUFBE
    4FF
    HJUIVCDPNQZUPSDIQZUPSDIQVMM
    GPS
    NPSF
    JOGPSNBUJPOT ຊ౰ʹޯ഑͕ཉ͍͠ͳΒ
    SFUBJO@HSBE
    Λ࢖͍ͳ͍͞ ύϥϝλఆٛ௚ޙʹ
    
    
    YYYSFUBJO@HSBE
    ͷΑ͏ʹߦ௥Ճ͢Δ͜ͱͰಈ͘Α͏ʹͳΓ·ͨ͠ɻ
11. ·ͱΊɺߟ࡯ɺࠓޙͷ՝୊ w UTOFΛεΫϥον࣮૷ͨ͠ ඍ෼ϥΠϒϥϦͱͯ͠1Z5PSDIΛ࢖༻
    w ࠓճͷྫͰ͸ɺ࣮૷͸ਖ਼͘͠ಈ͍͍ͯΔΑ͏ʹݟ͑Δ
    w ࠓճͷ࣮૷Ͱ͸ଛࣦ͕͘Β͍·Ͱʹऩଋͨ͠
    w 50%0 ΞϠϝͷσʔλ΍ɺ./*45ʹద༻ͯ͠ɺಈ࡞֬ೝ
    w 50%0 ֶशதͷ࣍ݩ࡟ݮͷঢ়گΛΞχϝʔγϣϯͰදࣔ
    w ࠓճͷσʔλͰ͸ɺU෼෍Ͱͳͯ͘΋े෼ػೳ͍ͯ͠ΔΑ͏ʹݟ͑Δ
    w 4LMFBSOͷ54/&͕ਖ਼͘͠ಈ͍͍ͯͳ͍Α͏ʹݟ͑Δ
    w ଛࣦͰ͋ΔLM@EJWFSHFODF@
    Λݟͨͱ͜Ζɺ
    
    
    ͘Β͍࢒͍ͬͯ·ͨ͠ɻͦͷͨΊɺσϑΥϧτͷύϥϝʔλͰ͸ऩଋ͖͠ Ε͍ͯͳ͍ͨΊɺඍົͳ݁ՌʹͳͬͨͱࢥΘΕ·͢ɻΠςϨʔγϣϯճ਺ͳͲͷύϥϝλͷมߋʹΑͬͯྑ͘ͳΔͱࢥ͍·͢ɻ
    w 1$"Ͱ΋ɺ͍͍ײ͡ʹΫϥελԽ͞Ε·ͨ͠ɺ͔֬ʹ
    Z
    
    Y
    ͷΑ͏ͳ௚ઢ্ʹϚοϓͯ͠΋͏·͘දݱͰ͖ͦ͏ͳ͜ͱ͕Θ͔Γ· ͢ɻ
12. ࢀߟ63- w 8JLJQFEJB
    w IUUQTKBXJLJQFEJBPSHXJLJ5෼෍ܕ֬཰తۙ๣ຒΊࠐΈ๏ৄࡉ
    w IUUQTKBXJLJQFEJBPSHXJLJΧϧόοΫɾϥΠϒϥʔ৘ใྔަࠩΤϯτϩϐʔͱͷؔ܎
    w 4UBU2VFTU
    U4/&
    $MFBSMZ
    &YQMBJOFE
    w IUUQTXXXZPVUVCFDPNXBUDI W/&B641:FS.
    w 7JTVBMJ[JOH
    %BUB
    VTJOH
    U4/&
    w IUUQTKNMSPSHQBQFSTWPMVNFWBOEFSNBBUFOBWBOEFSNBBUFOBQEG
    w U4/&
    w IUUQTMWENBBUFOHJUIVCJPUTOF