calcDyspiaStat: calcDyspiaStat: Calculates DysPIA statistics
In DysPIA: Dysregulated Pathway Identification Analysis

Calculates DysPIA statistics for a given query gene pair set.

calcDyspiaStat(
  stats,
  selectedStats,
  DyspiaParam = 1,
  returnAllExtremes = FALSE,
  returnLeadingEdge = FALSE
)

`stats`	Named numeric vector with gene pair-level statistics sorted in decreasing order (order is not checked).
`selectedStats`	Indexes of selected gene pairs in the 'stats' array.
`DyspiaParam`	DysPIA weight parameter (0 is unweighted, suggested value is 1).
`returnAllExtremes`	If TRUE return not only the most extreme point, but all of them. Can be used for enrichment plot.
`returnLeadingEdge`	If TRUE return also leading edge gene pairs.

Value of DysPIA statistic if both returnAllExtremes and returnLeadingEdge are FALSE. Otherwise returns list with the folowing elements:

res – value of DysPIA statistic
tops – vector of top peak values of cumulative enrichment statistic for each gene pair;
bottoms – vector of bottom peak values of cumulative enrichment statistic for each gene pair;
leadingEdge – vector with indexes of leading edge gene pairs that drive the enrichment.