membangun model regresi menggunakan logistic regression

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  • 7/21/2019 Membangun Model Regresi Menggunakan Logistic Regression

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    IJLNA VNDVN]@ LG\G MGVINKDD^KGCGK

    AJD@]\@ M VNDVN]]@JK

    Agpjrgk \udgs Gco`r ]ninstnr

    Igtg cua`go Dnknrga`znl A`kngr Ijlna

    Jano2

    E`cr` ]uklgrg

    78776880

    XVJDVGI ]\^L@ IG\NIG\@CG

    EGC^A\G] IG\NIG\@CG LGK @AI^ XNKDN\GO^GK GAGI

    @K]\@\^\ \NCKJAJD@ FGKL^KD

    687>

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    FGF @

    XNKLGO^A^GK

    7.7 Agtgr Fnagcgkd

    Fnrlgsgrcgk lgtg ygkd pnkua`s pnrjano, pnkua`s tnrtgr`c uktuc inijlnacgk

    snfnrgpg fnsgr prjfgf`a`tgs snsnjrgkd lnkdgk cgrgctnr`st`c tnrtnktu inkdgbucgk cag`i

    gtgu t`lgc lgagi gsurgks` cnklgrggk fnrijtjr. Ogkyg lnkdgk inkdntgou` cgrgctnr`st`c

    mgajk pnindgkd pja`s, c`tg lgpgt inipnrc`rgcgk gpgcgo mgajk pnindgkd pja`s tu gcgk

    inkdgbucgk cag`i gtgu t`lgc. Lgtg ygkd l`dukgcgk glgago lgtg ygkd sulgo l`pnrjano

    lgr` fucu Dnknrga`znl A`kngr Ijlna ejr @ksurgkmn Lgtgygkd l`tua`s jano X`nt ln Bjkd

    lgk D`aa`gk R. Onaanr. Lgtg ygkd gcgk l`jago inrupgcgk lgtg gsurgks` cnklgrggk

    fnrijtjr ygkd l`mgtgt snagig sgtu tgouk (tgouk 688< sgipg` 688>) ygkd tnrl`r` lgr`

    54?>5 pja`s l`igkg

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    FGF @@

    AGKLG]GK \NJV@

    6.7 Ugr`gfna Cgtndjr`cga

    Ugr`gfna cgtndjr`cga inrupgcgk vgr`gfna o`tukd ygkd fnrupg cgtndjr` lgtg lgk

    fnrs`egt t`lgc lgpgt l`agcucgk jpnrgs` igtnigt`cg. Ugr`gfna cgtndjr`cga l`fgd` lgagi

    t`dg bnk`s, yg`tu2

    6.7.7 Ugr`gfna Cgtndjr`cga F`knr

    Ugr`gfna cgtndjr`cga f`knr glgago bnk`s vgr`gfna cgtndjr`cga ygkd ogkyg

    ini`a`c` lug bgwgfgk. Mjktjokyg bnk`s cnagi`k. ]nsnjrgkd lgpgt fnrbnk`s

    cnagi`k agc`-agc` gtgu pnrnipugk.

    6.7.6 Ugr`gfna Cgtndjr`cga Kji`kga

    Ugr`gfna cgtndjr`cga kji`kga glgago bnk`s vgr`gfna cgtndjr`cga ygkd

    ini`a`c` anf`o lgr` lug bgwgfgk tgkpg inipnrogt`cgk t`kdcgtgkkyg.

    Mjktjokyg djajkdgk lgrgo. ]nsnjrgkd lgpgt ini`a`c` djajkdgk lgrgo fnrbnk`s

    G/F/GF/J, kgiuk djajkdgk lgrgo G fucgk fnrgrt` anf`o fg`c lgr`pglg

    djajkdgk lgrgo F fnd`tu puag ygkd ag`kkyg. Bgl`, cnnipgt bgwgfgk tnrsnfut

    sgig t`kdcgtgkkyg.

    6.7.= Ugr`gfna Cgtndjr`cga Jrl`kga

    Ugr`gfna cgtndjr`cga jrl`kga glgago bnk`s vgr`gfna cgtndjr`cga ygkd

    ini`a`c` anf`o lgr` lug bgwgfgk lnkdgk inipnrogt`cgk t`kdcgtgkkyg.Mjktjokyg t`kdcgt aucg ygkd l`gagi` lgagi cnmnagcggk (72 r`kdgk, 62 snlgkd, =2

    fnrgt).

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    6.6 Dnknrga` znl A `kngr Ijlna(DAI)

    Dnknrga`znl a`kngr ijlna (DAI) inrupgcgk snfugo intjln uktuc ina`ogt

    oufukdgk gktgrg vgr`gfna rnspjk (vgr`gfan fnfgs) lnkdgk vgr`gfna prnl`ctjr (vgr`gfan

    tnr`cgt). Ugr`gfna rnspjk glgago vgr`gfna ygkd l`p`a`o uktuc l`gigt` pnrufgogkkyg

    gc`fgt lgr` pnrufgogk vgr`gfna-vgr`gfna ag`k l`igkg vgr`gfna-vgr`gfna ag`k `tu

    l`kgigcgk vgr`gfna prnl`ctjr. ]no`kddg, Oufukdgk `k` lgpgt c`tg a`ogt inagau`

    pnrufgogk ygkd tnrbgl` pglg vgr`gfna rnspjk cnt`cg vgr`gfna prnl`ctjr budg fnrufgo.

    Xni`a`ogk vgr`gfna prnl`ctjr pglg uiuikyg l`gsuis`cgk inkurut ajd`cg lgr` egctg

    ygkd tnrbgl`, cniul`gk pnkdgruokyg tnroglgp vgr`gfna rnspjk gcgk l` mnc inagau`

    prjsns snancs` vgr`gfna.

    Lug oga ygkd ogrus l`pnrogt`cgk lgagi inkddukgcgk intjln `k`, yg`tu27. l`str`fus` vgr`gfna rnspjk inrupgcgk gkddjtg lgr` l`str`fus` cnaugrdg ncspjknks`ga,

    6. trgksejrigs` k`ag` ingk uktuc vgr`gfna rnspjk ini`a`c` oufukdgk ygkd a`k`nr

    tnroglgp vgr`gfan-vgr`gfna prnl`ctjrkyg.

    6.6.7 L`str`fus` Cnaugrdg Ncspjknks`ga

    L`str`fus` ygkd inrupgcgk gkddjtg l`str`fus` cnaugrdg ncspjknks`ga

    ini`a`c` eukds` pnaugkd ygkd lgpgt l`tua`scgk cn lgagi fnktuc

    9 , nxp l`igkg l`snfut pgrgintnr cgkjk`c lgk l`snfut pgrgintnr l`spnrs`.Xni`a`ogk lgk eukds` gcgk inipnkdgruo` bnk`s l`str`fus`kyg. ^ktuck`ag` ingklgk vgr`gks`kyg lgpgt l`tua`s

    9 9

    l`igkg turukgk pnrtgig tnroglgp lgk turukgk cnlug tnroglgp . C`tg budg lgpgt inkua`scgk 9 9 ygkd inrupgcgkeukds` vgr`gks` ygkd inipnra`ogtcgk oufukdgk ingk lnkdgk vgr`gks`kyg.

    Mjktjo lgr` l`str`fus` cnaugrdg ncspjknks`ga glgago l`str`fus` kjriga, l`str`fus`

    pj`ssjk, l`str`fus` dgiig, lgk l`str`fus` f`kji`ga.

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    6.6.7.7 A`kclgk Mgkjk`mga A `kc

    \nago l`bnagscgk snfnauikyg fgowg trgksejrigs` k`ag` ingk

    uktuc vgr`gfna rnspjk ini`a`c` oufukdgk ygkd a`k`nr tnroglgp vgr`gfan-

    vgr`gfna prnl`ctjrkyg gtgu lgpgt c`tg tua`s

    9 l`igkg eukds` trgksejrigs` `k` l`snfut snfgdg` eukds` a`kc. Eukds` `k`inknktucgk oufukdgk ygkd snpnrt` gpg gktgrg ingklnkdgk vgr`gfna-

    vgr`gfna prnl`ctjrkyg. Gpgf`ag 9 , igcg eukds` trgksejrigs` `k` l`kgigcgk mgkjk`mga a`kc. Fnr`cut `k` fnfnrgpg eukds` a`kc ygkd

    uiui l`dukgcgk.

    6.6.6 L`str`fus` Fnrkjuaa` ]nfgdg` ]gago ]gtu Gkddjtg Cnaugrdg Ncspjknks`ga

    I`sgacgk P glgago vgr`gfna rnspjk fnrl`str`fus` Fnrkjuaa` (F7, ).Eukds` pnaugkd lgr` P glgago

    9 9

    7

    9

    7 9 nxp { a k

    + a k7 }

    lgk l`lgpgt

    , 9 7, 9 7, 9ak 7 , 9 ak7 + sno`kddg l`str`fus` Fnrkjuaa` inrupgcgk sgagi sgtu gkddjtg lgr` l`str`fus` cnaugrdg

    ncspjknks`ga.

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    6.6.= Fgsn AnvnaUgr`gfna Cgtndjr`cga

    Fgsn anvnal`pnraucgk b`cg vgr`gfna prnl`ctjr ygkd l`dukgcgk inrupgcgk

    vgr`gfna cgtndjr`cga. Dukgkyg snfgdg` lgsgr pnkducurgk uktuc

    inifgkl`kdcgk anvna (cgtndjr`) ag`k ygkd tnriugt pglg vgr`gfna cgtndjr`cga

    ygkd sgig.Fgsn anvnaygkd l`p`a`o inrupgcgk anvna (cgtndjr`) ygkd ini`a`c`

    buiago erncunks` tnrfgkygc lgagi vgr`gfna cgtndjr` tnrsnfut. ]nag`k `tu puag,

    lgagi inifgkduk ijlna `k` l`futuocgk vgr`gfna luiiy. I`sgacgk snfugo

    vgr`gfna cgtndjr`cga ini`a`c` r anvna, igcg l`futuocgk vgr`gfna luiiy

    snfgkygc r-7 vgr`gfna. Ugr`gfna luiiy l`fnktuc lgr` anvna-anvna (cgtndjr`-

    cgtndjr`) ygkd fucgk inrupgcgk fgsn anvna.

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    FGF @@@

    GKGA@]@] LGK OG]@A XNKNA@\@GK

    =.7 Ugr`gfna Vnspjk lgk Ugr`gfna Xrnl`ctjr pglg Lgtg

    Ugr`gfna rnspjk glgago vgr`gfna ygkd l`p`a`o uktuc l`gigt` pnrufgogkkyg gc`fgt

    lgr` pnrufgogk vgr`gfna-vgr`gfna ag`k l`igkg vgr`gfna-vgr`gfna ag`k `tu l`kgigcgk

    vgr`gfna prnl`ctjr. Jano cgrnkg `tu, vgr`gfna rnspjk ygkd l`p`a`o lgr` lgtg `k` glgago

    vgr`gfna maiygkd inkygtgcgk jmmurrnkmn je g mag`i. Xni`a`ogk vgr`gfna mai snfgdg`

    vgr`gfna rnspjk budg l`pnkdgruo` jano tubugk gwga, yg`tu inknktucgk ijlna rndrns`ygkd mjmjc uktuc inkdnst`igs` prjfgf`a`tgs snsnjrgkd lnkdgk cgrgctnr`st`c tnrtnktu

    inkdgbucgk cag`i gtgu t`lgc lgagi gsurgks` cnklgrggk fnrijtjr. Ugr`gfna mai `k`

    tnrigsuc cn lgagi vgr`gfna cgtndjr`cga f`knr l`igkg

    82 inkygtgcgk snsnjrgkd t`lgc inkdgbucgk cag`i, lgk

    72 inkygtgcgk snsnjrgkd inkdgbucgk cag`i

    gtgs gsurgks` cnklgrggk fnrijtjrkyg. Glgpuk vgr`gfna-vgr`gfna ag`k ygkd inkbgl`

    vgr`gfna prnl`ctjrkyg, yg`tu

    gdnmgt2 cgtndjr` us`g pnkdniul` ygkd tnrl`r` lgr` 5 cgtndjr` (7, 6, =, , 5) l`igkg

    cgtndjr` 7 ygkd pga`kd iulg,

    grng2 w`agygo tnipgt t`kddga pnkdniul` ygkd tnrl`r` lgr` 5 cgtndjr` (G, F, M, L, N, E),

    vnoZfjly2 cgtndjr` t`pn fglgk cnklgrggk ygkd tnrl`r` lgr` 7= cgtndjr` yg`tu

    j F^],

    j MJKU\2 mjkvnrt`fan,

    j

    MJ^XN,

    j OFGMC2 ogtmofgmc,

    j OL\JX2 ogrltjp,

    j IMGVG2 ijtjr`znl mgrgvgk,

    j I@F^]2 i`k`fus,

    j XGKUK2 pgkna vgk,

    j VL]\V2 rjglstnr,

    j

    ]NLGK,

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    j ]\KTD2 stgt`jk wgdjk,

    j \V^MC, lgk

    j ^\Nut`a`ty,

    vnoZvgaun2 inkygtgcgk ogrdg cnklgrggk lgagi sgtugk 78.888 ljagr.

    =.6 ]tgt`st`cg Lnscr`pt`e lgk Fgsn Anvna

    7. Ugr`gfna gdnmgt

    Xglg o`stjdrgi l`sgip`kd, tnra`ogt fgowg

    pja`s snfgd`gk fnsgr fnrglg pglg cgtndjr`

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    =. Ugr`gfna vnoZfjly

    Xglg o`stjdrgi l`sgip`kd, tnra`ogt fgowg pja`s snfgd`gk fnsgr ini`a`c`

    cnklgrggk lnkdgk t`pn fglgk ]NLGK. Grt`kyg erncunks` cgtndjr` ]NLGK anf`o fnsgr

    l`fgkl`kdcgk cgtndjr`-cgtndjr` ag`k, bgl` cgtndjr` ]NLGK l`igsuccgk snfgdg` fgsn

    anvnauktuc vgr`gfna vnoZfjly.

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    \nra`ogt fgowg k`ag` ingkanf`o fnsgr lgr` k`ag` inl`gk. @k` inkukbuccgk

    fgowg glg fnfnrgpg ogrdg cnklgrggk ygkd rnagt`e t`kdd` (igoga).

    Cniul`gk fjxpajtlgr` jmmurrnkmn je mag`itnroglgp ogrdg cnklgrggk (vno`man

    vgaun) inipnra`ogtcgk pnindgkd pja`s ygkd ini`a`c` ogrdg cnklgrggk ygkd

    vgr`gks`kyg anf`o fnsgr mnklnrukd t`lgc inkdgbucgk cag`i. Oga `k` iukdc`k tnrbgl`

    cgrnkg ogrdg cnklgrggk ygkd t`kdd` (igoga) bgrgkd uktuc rusgc. ktuc ogrdg cnklgrggk

    ygkd rnagt`e rnklgo, pnindgkd pja`s mnklnrukd uktuc inkdgbucgk cag`i.

    Drge`c l`gtgs inkukbuccgksmgttnrpajtuktucsijjtonl lgtg, ijlna cuglrgt`c,

    lgk ijlna cuf`c. Xglgsmgttnrpajtuktucsijjtonl lgtg tnra`ogt fgowg ogrdg cnklgrggk

    t`lgc fnroufukdgk snmgrg a`k`nr lnkdgk jmmurrnkmn je mag`i. Jano cgrnkg `tu iukmua

    pnrc`rggk fgowg ijlna rndrns` ygkd iukdc`k mjmjc glgago ijlna cuglrgt`c gtgu

    cuf`c. ]ntnago l`agcucgk rndrns` pja`kji`ga fnrlnrgbgt lug lgk t`dg l`igkg vgr`gfna

    rnspjkkyg mai lgk vgr`gfna prnl`ctjrkyg vnoZvgaun (tnrlgpgt pglg fucu Dnknrga`znl

    A`kngr Ijlna ejr @ksurgkmn Lgtgygkd l`tua`s jano X`nt ln Bjkd lgk D`aa`gk R. Onaanr),

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    ijlna cuglrgt`c ygkd tnra`ogt anf`o mjmjc l`fgkl`kdcgk lnkdgk ijlna cuf`c. Gcgk

    tntgp`, pglgsmgttnrpajtl`gtgs, tnra`ogt puag ijlna cuglrgt`c `k` t`lgc mjmjc uktuc k`ag`

    cnklgrggk ygkd t`kdd`. Jano cgrnkg `tu, l`agcucgkago fgkl`kd. C`tg gcgk

    inkdcgtndjr`cgk vgr`gfna vnoZvgaun inkbgl` 5 cgtndjr` lgk inifugtkyg inkbgl`

    vgr`gfna fgru yg`tu vgr`gfna vgaunmgt.

    Ogs`a fgkl`kd pglg smgttnrpajt l`gtgs inkukbucgk fgowg vgr`gfna vgaunmgt

    anf`o mjmjc uktuc lgtgkyg l`fgkl`kdcgk ijlna cuglrgt`c snfnauikyg ygkd

    inkddukgcgk vgr`gfna vnoZvgaun snfgdg` vgr`gfna prnl`ctjr tgkpg fgkl`kd. Jano

    cgrnkg `tu, vgr`gfna vgaunmgt gcgk inkddgkt`cgk vgr`gfna vnoZvgaun snfgdg` vgr`gfna

    prnl`ctjrkyg.

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    Xglg o`stjdrgi l`sgip`kd, tnra`ogt

    fgowg pja`s snfgd`gk fnsgr ini`a`c`

    cnklgrggk lnkdgk ogrdg pglg cgtndjr` 7.

    Grt`kyg erncunks` cgtndjr` 7 anf`o fnsgr

    l`fgkl`kdcgk cgtndjr`-cgtndjr` ag`k, bgl`

    cgtndjr` 7 l`igsuccgk snfgdg` fgsn anvna

    uktuc vgr`gfna vgaunmgt.

    Cgrnkg sniug vgr`gfna prnl`ctjrkyg inrupgcgk vgr`gfna cgtndjr`cga, igcg

    uktuc inijlnacgk lgtg `k` l`pnraucgk sugtu fgsn anvnaygkd sulgo l`p`a`o l`gtgs lgk

    budg pnifugtgk vgr`gfna luiiy. Bgl`, vgr`gfna luiiyuktuc vgr`gfna gdnmgt fnrbuiago

    > vgr`gfna, vgr`gfna luiiyuktuc vgr`gfna grng fnrbuiago > vgr`gfna, vgr`gfna luiiy

    uktuc vgr`gfna vnoZfjly fnrbuiago 76 vgr`gfna, lgk vgr`gfna luiiyuktuc vgr`gfna

    vgaunmgt fnrbuiago > vgr`gfna. ]no`kddg buiago vgr`gfna luiiyuktuc snauruo vgr`gfna

    prnl`ctjr glgago 64 vgr`gfna.

    =.= Xnijlnagk Inkddukgcgk Ajd`st`m Vndrnss`jk

    Ugr`gfna rnspjk (mai) inrupgcgk vgr`gfna cgtndjr`cga f`knr sno`kddg sgkdgt

    mjmjc lnkdgk s`egt l`str`fus` Fnrkjuaa`, yg`tu ogkyg ini`a`c` lug cniukdc`kgk

    cnbgl`gk ygkd sga`kd anpgs. Lgpgt l`s`ipuacgk fgowg vgr`gfna mai fnrl`str`fus`F7, , l`igkg glgago pnaugkd snsnjrgkd inkdgbucgk cag`i. Cgrnkg vgr`gfnarnspjkkyg fnrl`str`fus` Fnrkjuaa`, igcg l`p`a`o eukds` a`kc ajd`t sno`kddg ak snfgdg` mgkjk`mga a`kc. ^ktuc l`str`fus` Fnrkjuaa`, k`ag` 9 .

    ]ulgo l`bnagscgk fgowg tnrlgpgt 64 vgr`gfna luiiy uktuc ijlna `k`. C`tg

    i`sgacgk2

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    inkygtgcgk uiur pnindgkd pja`s lnkdgk cgtndjr` us`g 7,inkygtgcgk uiur pnindgkd pja`s lnkdgk cgtndjr` us`g 6,inkygtgcgk uiur pnindgkd pja`s lnkdgk cgtndjr` us`g =,

    inkygtgcgk uiur pnindgkd pja`s lnkdgk cgtndjr` us`g >,inkygtgcgk uiur pnindgkd pja`s lnkdgk cgtndjr` us`g 5,inkygtgcgk w`agygo tnipgt t`kddga pnindgkd pja`s lnkdgk cgtndjr` grng G,inkygtgcgk w`agygo tnipgt t`kddga pnindgkd pja`s lnkdgk cgtndjr` grng F,inkygtgcgk w`agygo tnipgt t`kddga pnindgkd pja`s lnkdgk cgtndjr` grng L,inkygtgcgk w`agygo tnipgt t`kddga pnindgkd pja`s lnkdgk cgtndjr` grng N,inkygtgcgk w`agygo tnipgt t`kddga pnindgkd pja`s lnkdgk cgtndjr` grng E,

    inkygtgcgk pnindgkd pja`s lnkdgk t`pn fglgk cnklgrggk cgtndjr` F^],

    inkygtgcgk pnindgkd pja`s lnkdgk t`pn fglgk cnklgrggk cgtndjr` MJKU\,inkygtgcgk pnindgkd pja`s lnkdgk t`pn fglgk cnklgrggk cgtndjr` MJ^XN,inkygtgcgk pnindgkd pja`s lnkdgk t`pn fglgk cnklgrggk cgtndjr` OFGMC,inkygtgcgk pnindgkd pja`s lnkdgk t`pn fglgk cnklgrggk cgtndjr` OL\JX,inkygtgcgk pnindgkd pja`s lnkdgk t`pn fglgk cnklgrggk cgtndjr` IMGVG,inkygtgcgk pnindgkd pja`s lnkdgk t`pn fglgk cnklgrggk cgtndjr` I@F^],

    inkygtgcgk pnindgkd pja`s lnkdgk t`pn fglgk cnklgrggk cgtndjr` XGKUK,

    inkygtgcgk pnindgkd pja`s lnkdgk t`pn fglgk cnklgrggk cgtndjr` VL]\V,,inkygtgcgk pnindgkd pja`s lnkdgk t`pn fglgk cnklgrggk cgtndjr` ]\KTD,,inkygtgcgk pnindgkd pja`s lnkdgk t`pn fglgk cnklgrggk cgtndjr` \V^MC,,inkygtgcgk pnindgkd pja`s lnkdgk t`pn fglgk cnklgrggk cgtndjr` ^\N,inkygtgcgk ogrdg cnklgrggk lnkdgk cgtndjr` 6,inkygtgcgk ogrdg cnklgrggk lnkdgk cgtndjr` =,

    inkygtgcgk ogrdg cnklgrggk lnkdgk cgtndjr` , lgkinkygtgcgk ogrdg cnklgrggk lnkdgk cgtndjr` 5.Bgl`, ijlna ygkd gcgk l`fgkduk glgago

    9 + + + + + ++ + + ,+ + + .

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    Lnkdgk inkddukgcgk sjetwgrn ]G], gcgk l`fugt ijlna rndrns`kyg. Fnr`cut glgago

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  • 7/21/2019 Membangun Model Regresi Menggunakan Logistic Regression

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    17/21

  • 7/21/2019 Membangun Model Regresi Menggunakan Logistic Regression

    18/21

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  • 7/21/2019 Membangun Model Regresi Menggunakan Logistic Regression

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