Database.Priors

Counts occurrences of evidence in the database. This module allows us to count how often nodes are in a particular state.

Documentation

calculatePriors :: Map (StudentID, TaskID) Evidence -> Priors

Calculate the priors, that is: for every node, count how often each state occurs in the observed data.

newtype Priors

Associates nodes with their priors.

Constructors

Priors (Map (TaskID, NodeID) Prior)

Instances

Semigroup Priors

Defined in Database.Priors

Methods

(<>) :: Priors -> Priors -> Priors

sconcat :: NonEmpty Priors -> Priors

stimes :: Integral b => b -> Priors -> Priors

Monoid Priors

Defined in Database.Priors

Methods

mempty :: Priors

mappend :: Priors -> Priors -> Priors

mconcat :: [Priors] -> Priors

Pretty Priors

Defined in Database.Priors

Methods

pretty :: Priors -> Doc

prettyList :: [Priors] -> Doc

newtype Prior

Associates state indices (or their absence) with a counter.

Constructors

Prior (Map (Maybe String) Int)

Instances

Semigroup Prior

Defined in Database.Priors

Methods

(<>) :: Prior -> Prior -> Prior

sconcat :: NonEmpty Prior -> Prior

stimes :: Integral b => b -> Prior -> Prior

Monoid Prior

Defined in Database.Priors

Methods

mempty :: Prior

mappend :: Prior -> Prior -> Prior

mconcat :: [Prior] -> Prior

Pretty Prior

Defined in Database.Priors

Methods

pretty :: Prior -> Doc

prettyList :: [Prior] -> Doc