09-AB_tDCS_supplement.Rmd

```{r setup, include=FALSE}
#Setup
library(kableExtra) # complex tables
library(tidyverse) # importing, transforming, and visualizing data frames

knitr::opts_chunk$set(results = 'hide', echo = FALSE, message = FALSE, warning = FALSE)

# create variable to resize figures/text depending on output
if (knitr::is_latex_output()) {
  tbl_font_size <- 8
  line_break <- function(...) {kableExtra::linebreak(...)}
} else {
  tbl_font_size <- 12
  # use html version of linebreak function
  line_break <- function(x, ...) {
    if (is.numeric(x) | is.logical(x)) return(x)
    ifelse(stringr::str_detect(x, "\n"), stringr::str_replace_all(x, "\n", "<br />"), x)
  }
}

# load data objects
load("AB_tDCS_files/AB_tDCS_supplement.RData")
```

`r if (knitr::is_html_output()) '
# Supplement to Chapters 4 and 5 {#AB-tDCS-supplement}
' else '
# Supplement to Chapters \\@ref(AB-tDCS-EEG) and \\@ref(AB-tDCS-sEBR) {#AB-tDCS-supplement}
'`

## tDCS adverse effects

```{=latex}
\begingroup
\renewcommand*{\arraystretch}{1.25}
\setlength{\LTleft}{-20cm plus -1fill}
\setlength{\LTright}{\LTleft}
```

```{r tab-AB-tDCS-AE, results='asis'}
if (knitr::is_latex_output() | knitr::is_html_output()) {
ae_colnames <- c(" ",
                 "none", "a\nlittle", "mode-\nrate", "strong", "very\nstrong",
                 "n/a", "un-\nlikely", "possi-\nbly", "likely", "very\nlikely")
                 
bind_rows(full_join(tbl_int_anodal, tbl_conf_anodal, by  = "sensation"),
          full_join(tbl_int_cathodal, tbl_conf_cathodal, by  = "sensation")) %>%
  kable(col.names = line_break(ae_colnames, align = "c"), 
        booktabs = TRUE,
        longtable = TRUE,
        escape = FALSE,
        caption = "Number of reports of tDCS adverse effects") %>%
  kable_styling(bootstrap_options = "striped",
                font_size = tbl_font_size) %>%
  add_header_above(setNames(c(1,5,5), c(" ",
              paste0("Intensity rating", footnote_marker_alphabet(1, double_escape = TRUE)),
              paste0("Confidence rating", footnote_marker_alphabet(2, double_escape = TRUE)))),
              escape = FALSE) %>%
  pack_rows(index = c("anodal session" = 8, "cathodal session" = 8)) %>%
  footnote(alphabet = c(
  '"To which degree were the following sensations present during stimulation?"', 
  '"To which degree do you believe this was caused by the stimulation?"'))
}
```

\endgroup

\newpage
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\blandscape

```{r fig-AB-tDCS-AE, fig.cap='(ref:caption-fig-AB-tDCS-AE)', results='show'}
knitr::include_graphics("AB_tDCS_files/figures/figure_S1_AE.png", auto_pdf = TRUE)
```

(ref:caption-fig-AB-tDCS-AE) __tDCS adverse effects in Chapters \@ref(AB-tDCS-EEG) and \@ref(AB-tDCS-sEBR)__. Number of reports out of 89 sessions (either anodal or cathodal tDCS). Top row shows intensity ratings [_little, moderate, strong, very strong_]; bottom row shows participant's confidence that event was related to tDCS [_unlikely, possibly, likely, very likely_]. Adverse effects are sorted in descending order of number of reports (for very rare events (five reports or fewer for a given polarity), some text counts have been removed to prevent overlap).

\newpage
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