Basics GUIDE

K-Zvinoreva Kubatanidza

K-Means is algorithm isina kutariswa iyo inogadzirisa data mumapoka eK nekutsvaga nzvimbo dzemasumbu.

Teerera kugwaro iriAI-yakarondedzerwa · ~2 min

Tanga kuverengaTora mubvunzo
Pa peji ino2 min verenga
  1. Pfupiso
  2. Kudzika Kwakadzika
  3. Kuitwa muNyika yeChokwadi
  4. Ramangwana reK-Zvinoreva Kubatanidza
  5. Kuzvishandisa
  6. Ramba Uchiongorora
  7. Mibvunzo inowanzo bvunzwa

Pfupiso

Izvo zvine basa nekuti inoburitsa yakavanzika chimiro mune isina kunyorwa data, kubva kune vatengi zvikamu kusvika kune mufananidzo mavara.

Kudzika Kwakadzika

K-Zvinoreva zvikamu zvedata kuita nhamba yakasarudzwa yemasumbu, K, isina mavara. Inotanga nekuisa K mapoinzi anonzi centroids, kazhinji pamadiro. Inobva yadzokorodza nhanho mbiri: isa poindi yega yega data kune yayo iri padyo centroid, uye fambisa imwe neimwe centroid kune avhareji chinzvimbo emapoinzi akapihwa kwairi. Aya nhanho loop kusvika migove yamira kuchinja, zvichireva kuti algorithm yachinja. Chinangwa ndechekudzikisa mukati-masumbu musiyano, iyo yakazara squared chinhambwe pakati pemapoinzi necentroid yavo. Nekuti mibairo inotsamira pane ekutanga zvinzvimbo, yakangwara yekutanga seK-Means++ inoparadzira ekutanga masendi akaparadzana. Iwe unofanirwa kusarudza K pachine nguva, kazhinji uchitungamirwa ne 'elbow nzira' pane yekukanganisa curve.

Kuitwa muNyika yeChokwadi

Mutengi segmentation: kuunganidza vatengi nekushandisa uye kushanyira frequency kune kunanga kushambadzira mishandirapamwe.

Kutsikirira kwemavara emufananidzo: kuderedza mamirioni epixel mavara kune K anomiririra mimvuri kuderedza saizi yefaira.

Gwaro resangano: kubatanidza zvinyorwa zvenhau kana matikiti ekutsigira nemusoro pasina zvikamu zvakafanotsanangurwa.

Anomaly yekuona: mureza mapoinzi kure kubva kune chero cluster centre sehungangove hutsotsi kana sensor kukanganisa.

Ramangwana reK-Zvinoreva Kubatanidza

K-Means inoramba iine bhiza rekushanda nekuti inokurumidza uye zviyero kune mahombe dataset kuburikidza ne mini-batch shanduro inogadziridza centroids pamasampuli madiki. Tsvagiridzo inoenderera mberi pakusarudza otomatiki kweK, kutanga zvine hungwaru, uye kernel kana zvakadzika-kudzidza zvakasiyana zvinobata asiri-akatenderera masumbu. Iri kuwedzera kushandiswa sedanho rekutanga, kudzvanya data kana kugadzira maficha asati adyisa mamwe mamodheru akaomarara, uye mukati mevector dhatabhesi kukurumidza kufanana kutsvaga pamusoro pekumisikidzwa.

Kuzvishandisa

Nei zvichikosha

  • Sarudzo dzakajeka. Inokubatsira kuparadzanisa zvakajeka zvichemo zvehunyanzvi kubva mumutauro wekushambadzira.
  • Mutengo uye bhajeti. Iwe unogona kubvunza zvirinani kuita mibvunzo usati washandisa mari kana nguva.
  • Team uye workflow. Zvikwata zvine nzwisiso yakagovaniswa inoita zvirinani chigadzirwa, mutemo, uye sarudzo dzekudzidza.

Chenjera

  • Zvikwata zvakasiyana zvinogona kushandisa izwi rimwechete zvakasiyana, saka tsanangura nzvimbo nekukurumidza.
  • Benchmarks inogona kutaridzika yakasimba nepo chaiyo-yenyika kuita isina kuenzana.
  • Kuregeredza mhando yedata uye zvirongwa zvekuongorora zvinowanzogadzira mhedzisiro isina kusimba.

Matanho anotevera

  1. Tanga netsanangudzo yemutauro wakajeka yemhedzisiro yaunoda.
  2. Sarudza metric imwe yekubudirira uye imwe yekutadza mamiriro usati waedzwa.
  3. Mhanya mutyairi mudiki ane data remumiriri, kwete demo rakakwenenzverwa.
  4. Gwaro uko K-Kureva Clustering kunobatsira uye uko nzira dzakareruka dziri nani.

Ramba Uchiongorora

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Tsamba yemahara

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Zviedze iwe pachako

Take the K-Means Clustering quiz

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Tanga mibvunzo

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Mibvunzo inowanzo bvunzwa

Chii chinonzi K-Means Clustering?

K-Means is algorithm isina kutariswa iyo inogadzirisa data mumapoka eK nekutsvaga nzvimbo dzemasumbu. Izvo zvine basa nekuti inoburitsa yakavanzika chimiro mune isina kunyorwa data, kubva kune vatengi zvikamu kusvika kune mufananidzo mavara.

Ko iyo 'K' muK-Means inorevei?

K ndiyo nhamba yemasumbu anotsanangurwa nemushandisi asati amhanyisa algorithm; iyo nzira inobva yawana kuti akawanda centroids.

Ndeapi matanho maviri anodzokorora muK-Means loop?

K-Zvinoreva zvinochinjanisa pakati pekugovera poindi yega yega kune yayo yepedyo centroid uye kudzokorodza imwe neimwe centroid seavhareji yemapoinzi ayo akapihwa.

Ndeupi huwandu hunoyedzwa neK-Means kudzikisa?

K-Means inoderedza inertia, iyo yakazara squared chinhambwe pakati pemapoinzi uye centroid yavo yavakagoverwa, zvichiita kuti masumbu ashande.

Sei K-Nzvimbo ichinzi 'isina kutariswa' algorithm?

Kusatariswa zvinoreva kuti data haina mavara; K-Means inowana chimiro pachayo pasina kuudzwa mapoka chaiwo.

Chii chinonzi 'elbow method' chinowanzoshandiswa?

Iyo nzira yegokora inoronga kukanganisa maringe neK uye inotarisa bend uko kuwedzera mamwe masumbu kunomira kubatsira zvakanyanya.

Ramba uchidzidza

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