Guide-yakabatana mibvunzo · Zvakaoma Nhanho

Bayesian Yakadzika Yekudzidza Quiz

Explore Bayesian networks, uncertain weights, posterior approximations, Monte Carlo dropout, and confidence calibration on held-out data.

Nzira dzekutungamira dzinoenderanaBayesian Kudzidza Kwakadzika
Mubvunzo 1 ye 8

Ko Bayesian neural network inobata sei uremu hwayo zvakasiyana kubva kune yakajairwa?

Tarisa mubvunzo wese8 mibvunzo

Mhinduro uye tsananguro zvinoonekwa paunenge uchitora bvunzo.

  1. Ko Bayesian neural network inobata sei uremu hwayo zvakasiyana kubva kune yakajairwa?
    • Inobata huremu hwega hwega sechipo chekugovera pane imwe chete yakatarwa kukosha
    • Inoshandisa huremu hwakakwana pachinzvimbo chegumi
    • Inobvisa uremu zvachose
    • Inogovanisa huremu humwe pazvikamu zvese
  2. What can a Bayesian approach provide that a single fixed-weight network does not directly represent?
    • A guarantee that every confidence score is calibrated
    • A distribution of predictions that reflects uncertainty about model weights
    • A proof that the model will detect every unfamiliar input
    • A way to remove all noise from the data
  3. How can epistemic uncertainty change as relevant, representative training data are added?
    • It is guaranteed to reach zero with any added data
    • It is identical to label noise
    • It may decrease under the chosen model and data assumptions
    • It always increases linearly
  4. Sei fungidziro senge musiyano wekufungidzira kana MCMC ichidikanwa?
    • Nekuti neural network haina kurasikirwa nebasa
    • Nekuti maGPU haakwanise kuwedzera
    • Nokuti huremu hunofanira kuva nhamba yakakwana
    • Nekuti iyo chaiyo kumashure kwemamiriyoni ehuremu haigoneke
  5. Chii chinoitwa neMonte Carlo kusiya chikoro kufungidzira kusagadzikana?
    • Inochengeta inodonha ichishanda panguva yekuyedza uye inomhanyisa network kakawanda, ichishandisa kupararira kwezvinobuda
    • Inodzima kusiya chikoro uye kudzidzisa kwenguva refu
    • Inobvisa ma neurons zvachose
    • Inotsiva kurasikirwa neruzha rwakangoitika
  6. Variational inference inogadziridza posterior estimation serudzii rwedambudziko?
    • Dambudziko rekuronga
    • Dambudziko rekugadzirisa rinoderedza kusiyana kweKL (kuburikidza neELBO)
    • A pure random sampling dambudziko pasina chinangwa
    • Dambudziko rekugadzira hardware
  7. How does Bayes’ rule relate a prior, likelihood, and posterior?
    • The posterior is the prior plus the likelihood, without normalization
    • It is the likelihood divided by the prior without normalization
    • The posterior is proportional to the prior times the likelihood
    • It is the fixed point estimate of the most likely weight vector
  8. How does MCMC approximate a Bayesian neural-network posterior?
    • By training a single point estimate with dropout disabled
    • By ranking model outputs with a fixed rule
    • By minimizing an ELBO with a simpler variational family
    • By drawing samples through a Markov chain whose stationary distribution targets the posterior