Association score funtions as parameters to collocationScoreQuery

also factor out hc_add_onclick_korap_search

Change-Id: I48f93761b9bda4e21669a99517c17c55cf3436ee
diff --git a/man/pmi.Rd b/man/pmi.Rd
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+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/association-scores.R
+\name{pmi}
+\alias{pmi}
+\title{Pointwise mutual information}
+\usage{
+pmi(O1, O2, O, N, E, window_size)
+}
+\arguments{
+\item{O1}{observed absolute frequency of node}
+
+\item{O2}{observed absolute frequency of collocate}
+
+\item{O}{observed absolute frequency of collocation}
+
+\item{N}{corpus size}
+
+\item{E}{expected absolute frequency of collocation (already adjusted to window size)}
+
+\item{window_size}{total window size around node (left neighbour count + right neighbour count)}
+}
+\value{
+association score
+}
+\description{
+Pointwise mutual information
+}
+\seealso{
+Other association-score-functions: 
+\code{\link{defaultAssociationScoreFunctions}()},
+\code{\link{ll}()},
+\code{\link{logDice}()},
+\code{\link{mi2}()},
+\code{\link{mi3}()}
+}
+\concept{association-score-functions}