Create Error Bar Dataframe — create_error_bar

Create a dataframe with which a ggplot2 bar plot with error bars (+/- 1 standard deviation) can be created.

create_error_bar_df(data, numerical, factors, size = 1, type = "sd")

Arguments

data: The original data set.
numerical: The numerical variable which will be visualised in the bar plot.
factors: One or more factor variables which will be used for grouping. Use c("var1", "var2") for multiple grouping variables.
size: Choose whether you want more/less than 1 standard deviation/standard error. Defaults to 1.
type: Choose between "sd" (standard deviation) and "std" (standard error). Defaults to "sd".

Value

A dataframe object.

References

Wickham, H. (2016) ggplot2: Elegant Graphics for Data Analysis. Springer-Verlag New York.

Author

D. Schmitz

Examples

data("data_s")

create_error_bar_df(data = data_s, numerical = "sDur", factors = "pauseBin", size = 1, type = "sd")
#>   pauseBin      sDur         sd
#> 1 no_pause 0.1095498 0.03404740
#> 2    pause 0.1654329 0.06289761