Nothing
## ---- include = FALSE---------------------------------------------------------
is_check <- ("CheckExEnv" %in% search()) || any(c("_R_CHECK_TIMINGS_",
"_R_CHECK_LICENSE_") %in% names(Sys.getenv()))
knitr::opts_chunk$set(eval = !is_check)
## -----------------------------------------------------------------------------
Sys.sleep(100)
## ---- echo = FALSE------------------------------------------------------------
knitr::opts_chunk$set(
comment = NA,
quiet = TRUE,
progress = FALSE,
tidy = FALSE,
cache = FALSE,
message = FALSE,
error = FALSE, # FALSE: always stop execution.
warning = TRUE,
dpi = 100
)
## ---- echo = FALSE------------------------------------------------------------
knitr::opts_knit$set(global.par = TRUE)
## ---- echo = FALSE------------------------------------------------------------
par(mar = c(3, 3, 2, 2), mgp = c(1.7, 0.5, 0), las = 1, cex.main = 1, tcl = -0.2, cex.axis = 0.8,
cex.lab = 0.8)
## -----------------------------------------------------------------------------
# the 'spup' library contains functions described below
# and it loads all the dependencies
library(spup)
library(dplyr) # a grammar of data manipulation
library(readr) # fast I/O
library(whisker) # rendering methods
library(purrr)
# set seed
set.seed(12345)
## -----------------------------------------------------------------------------
read_lines("examples/input.txt")
## -----------------------------------------------------------------------------
read_lines("examples/input.txt.template")
## -----------------------------------------------------------------------------
my_template <- "Hello {{name}}. How are you doing?"
my_template %>%
render(name = "Winnie the Pooh")
## -----------------------------------------------------------------------------
my_template <- c(
"| x | y |",
"|---|---|",
"{{#MY_TABLE}}",
"| {{X}} | {{Y}} |",
"{{/MY_TABLE}}"
)
my_table <- data.frame(X = 1:5, Y = letters[1:5])
my_table
my_template %>%
render(MY_TABLE = unname(rowSplit(my_table))) %>%
cat
## -----------------------------------------------------------------------------
my_template <- template("examples/input.txt.template")
## -----------------------------------------------------------------------------
my_template %>%
read_lines
## -----------------------------------------------------------------------------
my_template %>%
render(b0 = 3, b1 = 4)
## -----------------------------------------------------------------------------
my_template %>%
render(b0 = 3, b1 = 4) %>%
read_lines
## ---- eval = FALSE------------------------------------------------------------
# dummy_model <- executable("examples/dummy_model.exe")
## ---- eval = FALSE------------------------------------------------------------
# # create template
# my_template <- template("examples/input.txt.template")
#
# # render the template
# render(my_template, b0 = 3.1, b1 = 4.2)
#
# # run external model
# dummy_model()
#
# # read output (output file of dummy_model is "output.txt")
# scan(file = "examples/output.txt", quiet = TRUE)
## ---- eval = FALSE------------------------------------------------------------
# # number of Monte Carlo runs
# n_realizations <- 100
#
# n_realizations %>%
# purrr::rerun({
# # render template
# render(my_template, b0 = rnorm(n = 1), b1 = runif(n = 1))
#
# # run model
# dummy_model()
#
# # read output
# scan("examples/output.txt", quiet = TRUE)
# }) %>%
# set_names(paste0("r", 1:n_realizations)) %>%
# as_data_frame %>%
# apply(MARGIN = 1, FUN = quantile)
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