Recipe steps that change the number of rows in the dataset have additional impacts on your dataset and its samples. These reshaping steps include the following transforms:

TransformDocumentation
splitrowsSplitrows Transform
flattenFlatten Transform
keepKeep Transform
deleteDelete Transform
pivotPivot Transform
unpivotUnpivot Transform
joinJoin Page
unionUnion Page
lookupLookup Wizard
deduplicateDeduplicate Transform

Samples:

When one of these transforms is applied and rows are removed from your dataset:

For more information, see Samples Panel.