query: Intersect dataframe on multiple columns
positive_passages.docid: 15825
positive_passages.text: How to join (merge) data frames (inner, outer, left, right)
negative_passages.docid: 123582
negative_passages.text: How to reduce distance between two columns?
negative_passages.docid: 763
negative_passages.text: Horizontal enumeration in multiple columns
negative_passages.docid: 26294
negative_passages.text: Combine two columns into a list of all possible combinations of entries
negative_passages.docid: 92384
negative_passages.text: Intersection and union of ArrayLists in Java
negative_passages.docid: 6884
negative_passages.text: Select values that meet different conditions on different rows?
negative_passages.docid: 24879
negative_passages.text: Overlap join with start and end positions
negative_passages.docid: 116221
negative_passages.text: Remove columns with same value from a dataframe
negative_passages.docid: 146977
negative_passages.text: Subset of a data frame with the penultimate values of one of the columns
negative_passages.docid: 74077
negative_passages.text: A intersection (A union B)
negative_passages.docid: 152949
negative_passages.text: Reshape multiple value columns to wide format
negative_passages.docid: 104665
negative_passages.text: Intersecting categories within shapefile using ArcGIS for Desktop?
negative_passages.docid: 93532
negative_passages.text: R - How to get row & column subscripts of matched elements from a distance matrix
negative_passages.docid: 28559
negative_passages.text: How to sort a dataframe by multiple column(s)
negative_passages.docid: 120641
negative_passages.text: Intersection of three vector subspaces
negative_passages.docid: 108833
negative_passages.text: How to match all words of one column against words in another column?
negative_passages.docid: 97533
negative_passages.text: How to find differences in elements of 2 data frames based on 2 unique identifiers