"Counterfactual reasoning underlies the learning of priors in decision making", Ariel Zylberberg, Daniel Wolpert, Michael Shadlen, Neuron 2018

"data(s)" contains the behavioral data from subject s.

Explanation of variables:

choice: 0 for leftward choices, 1 for rightward choices
req_choice: identifies the correct choice for each trial
correct: 0 for incorrect choices, 1 for correct choices
coh: signed motion coherence (negative for leftward motion)
dotdur: motion duration in seconds
confidence: in range 0.5 (guessing) to 1 (full certainty)
subject_number: subject id
block_number: block number
belief: belief report (0: sure of a leftward block bias; 1: sure of rightward block bias)
base_rate: base rate of the block
trial_number: trial number in the block