amending qt

R/dbetabinom.R

@@ -161,7 +161,7 @@ dbetaMix <- Vectorize(dbetaMix, vectorize.args = "x")
 #' @typed lower.tail : flag
 #'  if `TRUE` (default), probabilities are `P[X <= x]`,
 #'  and otherwise `P[X > x]`.
-#' @return The (one minus) cdf value # TODO DO WE NEED THIS return and where is the "1-".
+#' @return The (one minus) cdf value
 #'
 #' @note `q` can be a vector.
 #'
@@ -196,9 +196,9 @@ pbetaMix <- Vectorize(pbetaMix, vectorize.args = "q")
 #'
 #' @example examples/qbetaMix.R
 #' @export
-qbetaMix <- function(qt, par, weights, lower.tail = TRUE) {
+qbetaMix <- function(p, par, weights, lower.tail = TRUE) {
   f <- function(pi) {
-    pbetaMix(q = pi, par = par, weights = weights, lower.tail = lower.tail) - qt
+    pbetaMix(q = pi, par = par, weights = weights, lower.tail = lower.tail) - p
   }
   unirootResult <- uniroot(f, lower = 0, upper = 1)
   if (unirootResult$iter < 0) {
@@ -208,4 +208,4 @@ qbetaMix <- function(qt, par, weights, lower.tail = TRUE) {
     unirootResult$root
   }
 }
-qbetaMix <- Vectorize(qbetaMix, vectorize.args = "qt")
+qbetaMix <- Vectorize(qbetaMix, vectorize.args = "p")

examples/qbetaMix.R

@@ -1,19 +1,19 @@
 ## Only 1 mixture component, i.e., weights = 1
 qbetaMix(
-  qt = 0.60,
+  p = 0.60,
   par = rbind(c(0.2, 0.4)),
   weights = 1
 )
 
 ## With 2 mixture components
 qbetaMix(
-  qt = 0.6, par = rbind(c(0.2, 0.4), c(1, 1)),
+  p = 0.6, par = rbind(c(0.2, 0.4), c(1, 1)),
   weights = c(0.6, 0.4)
 )
 
 ## Can also specify q as a vector
 qbetaMix(
-  qt = seq(0, 1, .01),
+  p = seq(0, 1, .01),
   par = rbind(c(0.2, 0.4), c(1, 1)),
   weights = c(0.6, 0.4)
 )

tests/testthat/test-dbetabinom.R

@@ -104,7 +104,7 @@ test_that("The complement of pbetaMix can be derived with a different lower.tail
 
 test_that("The qbetaMix has the correct number result", {
   result <- qbetaMix(
-    qt = 0.6,
+    p = 0.6,
     par = rbind(c(0.2, 0.4)),
     weights = 1
   )
@@ -113,7 +113,7 @@ test_that("The qbetaMix has the correct number result", {
 
 test_that("The qbetaMix has the correct number result", {
   result <- qbetaMix(
-    qt = 0.6,
+    p = 0.6,
     par = rbind(c(0.2, 0.4), c(1, 1)),
     weights = c(0.6, 0.4)
   )
@@ -122,7 +122,7 @@ test_that("The qbetaMix has the correct number result", {
 
 test_that("The qbetaMix has a number result", {
   result <- qbetaMix(
-    qt = seq(0, 1, .01),
+    p = seq(0, 1, .01),
     par = rbind(c(0.2, 0.4), c(1, 1)),
     weights = c(0.6, 0.4)
   )