[SYSTEMDS-3182] Builtin ampute() for introducing missing values in data

• Type: Task
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Labels: StudentProject
• Epic Link: New Built-in functions
• Assignee: Unassigned
• Reporter: Shafaq Siddiqi
• Created: 25/Oct/21 13:46
• Updated: 17/Mar/22 21:18

Description

Similar to ampute() method in R's MICE package, implement ampute() builtin in DML for injecting missing values in a given dataset. 

The method accepts the following parameters 

1. data
2. the proportion of missing values to introduce (a double value)
3. pattern
4. frequency
5. mechanism of missing values (MAR, MCAR, MNAR)
6. weights

For more information about the parameter patterns, frequency, weights please visit the following documentations

https://www.rdocumentation.org/packages/mice/versions/3.13.0/topics/ampute 

https://search.r-project.org/CRAN/refmans/mice/html/ampute.html

https://rianneschouten.github.io/mice_ampute/vignette/ampute.html