Filter through list and lump data
108943
Combining the second elements of a set of ordered pairs based on their first element
141631
How to delete rows not in filter
45504
Best way to select a subset of items in a long list
132119
Unlist a list of dataframes
128196
Conditional Gathering of lists
75627
Uniformly itemize list in two columns throughout the document
123813
A better way to do nested lists
68650
Get Distinct values out of List
1319
Flattening a shallow list in Python
122309
Sort one List based on another
145166
Picking out items from a python list which have specific indexes
121628
Applying multiple filters to plot data
36615
Rule-based creation of sub-lists
133106
How to create a lambda expression that filters from a list of items?
53689
Filtering out duplicated/non-unique rows in data.table
154473
How to ignore list elements when extracting with pattern matching
30894
What is the best way to filter a Java Collection?