Advanced bar chart visualization module implementing 5 different approaches for creating professional bar charts. Choose from ggplot2 basics, polished presentations, statistical annotations, interactive plots, and publication-ready designs. Each approach optimized for different use cases in clinical research.
Usage
advancedbarplot(
data,
x_var,
y_var,
fill_var = NULL,
facet_var = NULL,
chart_approach = "polished",
bar_position = "dodge",
stat_type = "mean",
error_bars = "se",
color_palette = "clinical",
show_values = TRUE,
value_format = "auto",
add_statistics = FALSE,
stat_method = "anova",
orientation = "vertical",
plot_title = "",
x_title = "",
y_title = "",
legend_position = "right",
theme_style = "clean",
bar_width = 0.8,
plot_width = 10,
plot_height = 6,
sort_bars = "none",
add_trend_line = FALSE,
highlight_bars = "",
transparency = 0.9,
export_options = TRUE
)Arguments
- data
The data as a data frame.
- x_var
Categorical variable for x-axis categories.
- y_var
Numeric variable for bar heights.
- fill_var
Optional variable for bar fill colors (grouped/stacked bars).
- facet_var
Optional variable for creating multiple panels.
- chart_approach
Choose the bar chart approach and styling.
- bar_position
Position adjustment for grouped bars.
- stat_type
Type of statistical summary for y-axis values.
- error_bars
Type of error bars to display.
- color_palette
Color palette for bar fills including GraphPad Prism palettes.
- show_values
Whether to display values on top of bars.
- value_format
Format for displayed values.
- add_statistics
Whether to perform and display statistical tests.
- stat_method
Type of statistical test to perform.
- orientation
Orientation of the bars.
- plot_title
Main title for the plot.
- x_title
Title for x-axis.
- y_title
Title for y-axis.
- legend_position
Position of the legend.
- theme_style
Overall theme style for the plot including GraphPad Prism themes.
- bar_width
Width of the bars (0.1 to 1.0).
- plot_width
Width of the plot in inches.
- plot_height
Height of the plot in inches.
- sort_bars
How to sort the bars.
- add_trend_line
Whether to add a trend line for numeric x-axis.
- highlight_bars
Comma-separated list of categories to highlight.
- transparency
Transparency level for bars (alpha value).
- export_options
Whether to optimize plot for high-quality export.
Value
A results object containing:
results$instructions | a html | ||||
results$approach_description | a html | ||||
results$main_plot | an image | ||||
results$statistical_results | a html | ||||
results$summary_stats | a html | ||||
results$interactive_plot | a html | ||||
results$comparison_grid | an image | ||||
results$code_example | a html | ||||
results$interpretation_guide | a html |