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## This defines a class of hypothesis trees. It should
## allow us to manipulate the hypotheses, the results of
## tests associated with them, and their hierarchical
## relation. We set a class to make this manpiulation
## easier and to prevent the bugs that arise from complexity.
## Note that the tree is defined by its adjacency matrix.
setClass("hypothesesTree", representation = list(tree = "matrix",
p.vals = "data.frame",
alpha = "numeric"))
setMethod("initialize", "hypothesesTree", function(.Object, ...) {
value <- callNextMethod()
value
})
setMethod("show", "hypothesesTree", function(object)
{
tree <- slot(object, "tree")
p.vals <- slot(object, "p.vals")
alpha <- slot(object, "alpha")
cat("hFDR adjusted p-values:", "\n")
print(p.vals)
cat('---', '\n')
cat('Signif. codes: 0 \'***\'', alpha / 50, '\'**\'', alpha / 5, '\'*\'', alpha, '\'.\'', 2 * alpha, '\'-\' 1', '\n')
})
setMethod("summary", "hypothesesTree", function(object) {
tree <- slot(object, "tree")
p.vals <- slot(object, "p.vals")
alpha <- slot(object, "alpha")
igraph.tree <- graph.edgelist(tree)
nHypotheses <- length(V(igraph.tree))
nEdges <- length(E(igraph.tree))
cat("Number of hypotheses:", nHypotheses, "\n")
FDR.control <- EstimatedHFDRControl(object)
cat("Number of tree discoveries:", FDR.control$n.tree.discoveries, "\n")
cat("Estimated tree FDR:", FDR.control$tree, "\n")
cat("Number of tip discoveries:", FDR.control$n.tip.discoveries, "\n")
cat("Estimated tips FDR:", FDR.control$tip, "\n")
cat("\n", "hFDR adjusted p-values:", "\n")
n.to.print <- min(nrow(p.vals), 10)
print(p.vals[order(p.vals$adjp)[1:n.to.print], ])
if(n.to.print < nrow(object@p.vals)) {
cat('[only 10 most significant hypotheses shown]', '\n')
}
cat('---', '\n')
cat('Signif. codes: 0 \'***\'', alpha / 50, '\'**\'',
alpha / 5, '\'*\'', alpha, '\'.\'',
2 * alpha, '\'-\' 1', '\n')
})
setMethod("plot", "hypothesesTree",
function(x,..., adjust = TRUE,
return_script = FALSE, width = 900,
height = 500, base_font_size = 12,
output_file_name = paste('hyp_tree', gsub("[^\\d]+", "", Sys.time(), perl=TRUE), '.html', sep = "")) {
PlotHypTree(x, adjust, return_script, width,
height, base_font_size, output_file_name)
})
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