```
#' Report t-test in APA style
#'
#' Report mean, st. dev., t, df, p.
#'
#' @section One Sample:
#' The difference between [mu-value] and the mean of [x] (M=[mean(x)], SD=[sd(x)]) was [not] significant at alpha < [threshold] as revealed by One Sample t-test, two.sided: (t=[r], df=[df], p=[p]).
#'
#' @section Two Sample Independent:
#' The difference in means of [x] (M=[mean(x)], SD=[sd(x)]) and [y] (M=[mean(y)], SD=[sd(y)]) was significant at alpha < [threshold] as revealed by Welch Two Sample t-test, two.sided: (t=[r], df=[df], p=[p]).
#'
#' @section One Sample Paired:
#' The difference in means of [x] (M=[mean(x)], SD=[sd(x)]) was not significant at alpha < [threshold] as revealed by Paired t-test, two.sided: (t=[r], df=[df], p=[p]).
#' @param x Object of class \code{htest}, see t.test
writeup.htest = function(x) {
if (x$method == "One Sample t-test")
one_sample(x)
else
two_sample(x)
}
one_sample = function(x) {
paste("The difference between", x$null.value, "and the mean of",
format_names(x), was_sig(x$p.value), use_wrapTTest(x))
}
two_sample = function(x) {
paste("The", names(x$null.value), "of",
paste(format_names(x), format_mean_sd(x), collapse = " and "),
was_sig(x$p.value), use_wrapTTest(x))
}
format_mean_sd = function(x) {
means = paste("M=", round(x$estimate, getOption("digits")), sep = "")
stdevs = paste("SD=", round(x$stdev, getOption("digits")), sep = "")
paste("(", means, ", ", stdevs, ")", sep = "")
}
format_names = function(x) {
all_names = strsplit(x$data.name, "( by | and )")
if (x$method == "Paired t-test")
unlist(all_names)[1]
else
unlist(all_names)
}
#' Use wrapTTest
#'
#' Use wrapTTest() in a sentence
#' @param x An object of class \code{htest}
#' @importFrom sigr render wrapTTest
use_wrapTTest = function(x) {
paste0(
"as revealed by ",
render(wrapTTest(x))
)
}
```

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