Extending dataMaid
Introduction | Three steps of data documentation | Function templates | Writing a summaryFunction | Writing a visualFunction | Writing a checkFunction | A worked example | summaryFunction examples: countZeros() and meanSummary() | countZeros --- a simple summaryFunction | meanSummary --- an S3 generic summary function | visualFunction examples: mosaicVisual() and prettierHist() | mosaicVisual --- a new visualFunction for categorical data | prettierHist() --- a customized ggplot2 histogram | checkFunction examples: isID() and identifyColons() | isID --- a new checkFunction without problem values | identifyColons --- a new checkFunction with problem values | Calling the new summarize/visualize/check functions from makeDataReport() | A dataMaid report with user-defined functions: Documenting artData