query: group continuous elements and select first and last element
positive_passages.docid: 16238
positive_passages.text: LINQ GroupBy continuous time
negative_passages.docid: 157105
negative_passages.text: Pivot, categorize and group by
negative_passages.docid: 27025
negative_passages.text: How do I choose an element from a non-empty set?
negative_passages.docid: 42074
negative_passages.text: xsl:for-each-group positional grouping flat xml to hierarchical
negative_passages.docid: 53278
negative_passages.text: Select every other element from a vector
negative_passages.docid: 136437
negative_passages.text: Select last 5 elements with jQuery
negative_passages.docid: 88150
negative_passages.text: grouping on tems in a list in python
negative_passages.docid: 2241
negative_passages.text: Get top 1 row of each group
negative_passages.docid: 24876
negative_passages.text: Extract elements common in all column groups
negative_passages.docid: 88344
negative_passages.text: Order of a group and subsequent subgroups
negative_passages.docid: 154512
negative_passages.text: Group nodes by terms
negative_passages.docid: 94312
negative_passages.text: Selecting every last element of a nested list
negative_passages.docid: 27333
negative_passages.text: group by first character
negative_passages.docid: 108943
negative_passages.text: Combining the second elements of a set of ordered pairs based on their first element
negative_passages.docid: 128615
negative_passages.text: Filter out distinct elements with condition
negative_passages.docid: 13177
negative_passages.text: Numbering rows within groups in a data frame
negative_passages.docid: 13153
negative_passages.text: at least one element fixed by all the group