#'pvalTable
#'
#'Create data.frame with pvalues and value of statistic for chosen statistical test
#'
#'@param data1 First data set which contains informations about selected gene.
#'@param data2 Second data set which contains informations about selected gene.
#'@param chromosome Chromosome name.
#'@param geneData Data frame with positions of all genes and their names, by default we use a \code{TAIR10_genes}.
#'@param type Type of chosen test
#'@param genePart The part of gene we want to visualize.
#'@param ... Optional arguments
#'
#'@export
pvalTable <- function(data1, data2, chromosome, geneData=directRNAExplorer::TAIR10_genes, type="KS", genePart = "gene", ...){
V1<-V3<-V4<-V5<-rname <- NULL
geneData$V1 <- factor(substr(geneData$V1, 4,4))
geneData <- dplyr::filter(geneData, V1==chromosome)
if(genePart!="gene"){
geneData <- dplyr::filter(geneData, V3 == genePart)
}else{
geneData <- dplyr::filter(geneData, V3 == "gene")
}
rangeData <- c(max(min(data1$pos), min(data2$pos)), min(max(data1$pos), max(data2$pos)))
geneData2 <- dplyr::filter(geneData, V4>rangeData[1] & V5<rangeData[2])
genes <- unique(geneData2$id)
data1 <- data1[data1$rname==chromosome, ]
data2 <- data2[data2$rname== chromosome, ]
result <- data.frame(gene = genes, pval=0, statistic=0)
if(type=="KS"){
for (i in 1:length(genes)){
test <- ksDistributionTest(data1,data2,result[i,1], genePart = genePart)
result[i,2] <- test$p.value
result[i,3] <- test$statistic
}
}
return(result)
}
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