Guide-yakabatana mibvunzo · Pakati Nhanho

Dimensionality Reduction Quiz

Ongorora yakakwirira-dimensional kufukidzwa, PCA musiyano uye mutsara fungidziro, mepu dzevavakidzani, zvibodzwa zvekumanikidza, UMAP magirafu, centering, uye density miganhu.

Nzira dzekutungamira dzinoenderanaDimensionality Reduction
Mubvunzo 1 ye 8

Nderipi dambudziko rekuvhara-data rakabatana nekuwedzera dimension mukutuka kwedimensionality?

Tarisa mubvunzo wese8 mibvunzo

Mhinduro uye tsananguro zvinoonekwa paunenge uchitora bvunzo.

  1. Nderipi dambudziko rekuvhara-data rakabatana nekuwedzera dimension mukutuka kwedimensionality?
    • Yese yakawedzera kurongeka inotovandudza modhi yega yega
    • Ese marefu-dimensional madaro akafanana netsanangudzo
    • Nzvimbo yakakura kwazvo inogona kuda mamwe akawanda ekutarisa kuvhara zvakanyanya
    • Yese modhi inova nekukurumidza pasina kuchinja komputa yayo
  2. Ndeapi madhairekitori anotariswa nePCA pakusarudza zvakakosha zvikamu zve data yakanangwa yekupinza?
    • Nhungamiro dzine vimbiso yekuve neiyo yakanyanya kunangwa-label yechokwadi
    • Madhairekitori emusiyano wepamusoro
    • Nzira dzakasarudzwa chete kubva pamazita emakoramu
    • Madhairekitori emusiyano mudiki mukuseta yega yega
  3. Sei PCA ichinzi 'mutsara' nzira?
    • Inongoshanda chete pane data rakarongwa semitsetse yakatwasuka
    • Inogona chete kuderedza data kune chaiyo dimension
    • Zvinoda kuti data itange yarongwa
    • Inosanganisa maficha uchishandisa huremu hwemari (mitsetse musanganiswa)
  4. Ndeipi chikamu che data icho t-SNE neUMAP dzinowanzo simbisa mukuongorora-yakaderera-dimensional embeddings?
    • Hukama hwevavakidzani
    • Chivimbiso chezvinhambwe zvese zvepakutanga
    • Iyo chaiyo encryption yeese faira rekuisa
    • Humbowo hwekuti boka rose rinoonekwa iboka rechokwadi
  5. Sei boka ringaongorora chinomiririra chidiki chisati chaisa modhi yepasi?
    • Kuvimbisa kuti hapana ruzivo runobatsira runomborasika
    • Kuenzanisa mutengo wekombuta uye maitiro ekufungidzira ane mashoma macoordinates
    • Kubvisa kudikanwa kwekuongorora-kunze
    • Kuratidza kuti chikamu chese chakaraswa ruzha
  6. Ndechipi chimiro chinoshandiswa neUMAP paunenge uchigadzira chinomiririra chekutarisa kuri pedyo?
    • Rondedzero inodiwa yemapepa akatariswa
    • A file-format encryption kiyi
    • Girafu yemunharaunda
    • Chivimbiso chekuti ma cluster densities akachengetedzwa
  7. Nekumisikidza, iyo yakataurwa scikit-inodzidza PCA shanduko preprocess inoreva uye zviyero?
    • Iyo inoisa maficha asi haina kuyera imwe neimwe kune unit musiyano
    • Izvo zvese zviri pakati uye zvikero zvese maficha kuyuniti musiyano otomatiki
    • Inoyera chimiro chega chega kune musiyano weyuniti asi inosiya zvinoreva zvisina kuchinjwa
    • Inopatsanura chimiro chese nerudzi rwayo pasina kuisa pakati
  8. Nei kuwirirana kwekuona mune yakajairwa UMAP plot kusingabatirwe sehumbowo hwepakutanga-nzvimbo cluster density?
    • UMAP inovimbisa kuchengetedzwa chaiko kweyese yepakutanga density ratio
    • Plot compactness inogadziriswa otomatiki kune huwandu hwevanhu
    • Iyo fungidziro inochengetedza ega ega ega ega ega nhambwe dzepaviri chaizvo
    • UMAP haina kuvimbika kuchengetedza density mukumisikidza kwayo kwakajairwa