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Dasar-dasar Analisis Data Bayesian di R

Rasmus Bååth

Data Scientist

BEST

  • Model Bayesian dikembangkan oleh John Kruschke.
  • Mengasumsikan data berasal dari t-distribution.

Dasar-dasar Analisis Data Bayesian di R

Dasar-dasar Analisis Data Bayesian di R

Dasar-dasar Analisis Data Bayesian di R

BEST

  • Model Bayesian dikembangkan oleh John Kruschke.
  • Mengasumsikan data berasal dari t-distribution.
  • Mengestimasi mean, standar deviasi, dan parameter degrees-of-freedom.
  • library(BEST)
  • Menggunakan Markov chain Monte Carlo (MCMC).
Dasar-dasar Analisis Data Bayesian di R

Mari gunakan BEST!

library(BEST)
iq <- c(55, 44, 34, 18, 51, 40, 40, 49, 48, 46)
Dasar-dasar Analisis Data Bayesian di R

Mari gunakan BEST!

library(BEST)
iq <- c(55, 44, 34, 18, 51, 40, 40, 49, 48, 46)
fit <- BESTmcmc(iq)
Dasar-dasar Analisis Data Bayesian di R

Mari gunakan BEST!

library(BEST)
iq <- c(55, 44, 34, 18, 51, 40, 40, 49, 48, 46)
fit <- BESTmcmc(iq)
fit
Hasil fit MCMC untuk analisis BEST:

       mean     sd median  HDIlo HDIup  
mu    43.15  3.810  43.28 35.367 50.49 
nu    27.42 26.647  18.91  1.001 81.59 
sigma 11.00  3.754  10.44  4.857 18.38 
Dasar-dasar Analisis Data Bayesian di R

Mari gunakan BEST!

library(BEST)
iq <- c(55, 44, 34, 18, 51, 40, 40, 49, 48, 46)
fit <- BESTmcmc(iq)
plot(fit)

Dasar-dasar Analisis Data Bayesian di R

Try out BEST yourself!

Dasar-dasar Analisis Data Bayesian di R

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