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  3. Fundamentals of Bayesian Data Analysis in R
  • 1

    What is Bayesian Data Analysis?

    Gratuito

    This chapter will introduce you to Bayesian data analysis and give you a feel for how it works.

  • 2

    How does Bayesian inference work?

    In this chapter we will take a detailed look at the foundations of Bayesian inference.

  • 3

    Why use Bayesian Data Analysis?

    This chapter will show you four reasons why Bayesian data analysis is a useful tool to have in your data science tool belt.

  • 4

    Bayesian inference with Bayes' theorem

    Learn what Bayes theorem is all about and how to use it for statistical inference.

  • 5

    More parameters, more data, and more Bayes

    Learn about using the Normal distribution to analyze continuous data and try out a tool for practical Bayesian analysis in R.

Initializing

Exercicio

A small decision analysis 1

Each visitor spends $2.53 on average, a video ad costs $0.25 and a text ad costs $0.05. Let's figure out the probable profit when using video ads and text ads!

Instruções 1/3

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The data frame posterior contains the probability distribution over the underlying proportion of clicks for video ads and text ads.

  • Add the column posterior$video_profit which should be the probability distribution over the average profit you'll make on showing a video ad. That is, the underlying proportion of clicks times the average spend minus the cost of showing the video.