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## Copyright 2009-2020 Marc Hofmann and Achim Zeileis
##
## This file is part of the 'lmSubsets' R extension.
##
## 'lmSubsets' is free software: you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## 'lmSubsets' is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with 'lmSubsets'. If not, see <http://www.gnu.org/licenses/>.
format_default <- function (x, na.encode = TRUE, ...) {
ans <- format(x, na.encode = TRUE, ...)
if (!na.encode) {
ans <- ifelse(is.na(x), NA, ans)
}
ans
}
format_pval <- function (x, na.encode = TRUE, ...) {
ans <- format.pval(x, ...)
if (!na.encode) {
ans <- ifelse(is.na(x), NA, ans)
}
ans
}
format_ordinal <- function (x) {
ind <- c("th", "st", "nd", "rd", "th", "th", "th", "th", "th", "th",
"th", "th", "th", "th", "th", "th", "th", "th", "th", "th",
"th", "st", "nd", "rd", "th", "th", "th", "th", "th", "th",
"th", "st", "nd", "rd", "th", "th", "th", "th", "th", "th",
"th", "st", "nd", "rd", "th", "th", "th", "th", "th", "th",
"th", "st", "nd", "rd", "th", "th", "th", "th", "th", "th",
"th", "st", "nd", "rd", "th", "th", "th", "th", "th", "th",
"th", "st", "nd", "rd", "th", "th", "th", "th", "th", "th",
"th", "st", "nd", "rd", "th", "th", "th", "th", "th", "th",
"th", "st", "nd", "rd", "th", "th", "th", "th", "th", "th")
paste0(x, ind[x %% 100 + 1])
}
format_which <- function (mask, seq_ind = "-", seq_sep = ",") {
w <- which(mask)
if (length(w) < 1) {
return ("")
}
d <- c(diff(w), -1)
z <- character(0)
state <- 1
pos <- 1
while (state > 0) {
switch (state, {
## state = 1
if (d[pos] < 0) {
z <- c(z, w[pos])
state <- -1
} else if (d[pos] == 1) {
z <- c(z, w[pos], seq_ind)
state <- 2
} else {
z <- c(z, w[pos], seq_sep)
state <- 1
}
}, {
## state = 2
if (d[pos] < 0) {
z <- c(z, w[pos])
state <- -1
} else if (d[pos] == 1) {
state <- 2
} else {
z <- c(z, w[pos], seq_sep)
state <- 1
}
})
pos <- pos + 1
}
paste(z, collapse = "")
}
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