Created
July 10, 2018 14:57
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4th attempt at clean plots for data documentation
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#'dataMaid_cleanPlot.R | |
#' | |
#'These functions makes the default graphics prettier/easier to read: | |
#' | |
#' 1. Minimal Theme | |
#' 2. Angled Axis Text | |
#' | |
#' @example | |
cleanPlotHelper <- function(data, vnam, sideways) { | |
p <- ggplot(aes(x = mids, y = counts), data = data) + | |
geom_bar(stat = "identity") + | |
labs(x = vnam, y = "Frequency") + | |
theme_minimal() + | |
theme(axis.text.x = element_text(angle = 30, hjust = 1)) | |
if (sideways) { | |
p <- p + coord_flip() | |
} | |
return(p) | |
} | |
cleanPlot <- function(v, vnam, doEval = TRUE) { | |
sideways <- TRUE | |
if (length(unique(v)) > 20 && ("numeric" %in% class(v) | "integer" %in% class(v))) { | |
tmp <- hist(v, plot = FALSE) | |
tmp <- as.data.frame(tmp[c("mids", "counts")]) | |
sideways <- FALSE | |
} else { | |
tmp <- data.frame("mids" = v) %>% | |
dplyr::group_by(mids) %>% | |
dplyr::count(.) %>% | |
dplyr::rename(counts = n) | |
} | |
if ((!is.ordered(tmp$mids) && is.factor(tmp$mids)) || is.character(tmp$mids)) { | |
tmp$mids <- forcats::fct_reorder(tmp$mids, tmp$counts) | |
} | |
thisCall <- call("cleanPlotHelper", data = tmp, vnam = vnam, sideways = sideways) | |
if (doEval) { | |
return(eval(thisCall)) | |
} else { | |
return(deparse(thisCall)) | |
} | |
} | |
cleanPlot <- visualFunction(cleanPlot, | |
description = "Cleaned Plots for Data Documentation", | |
classes = c("character", "factor", "labelled", "numeric", "integer", "logical", "Date")) |
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