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Pandas (styled as pandas) is a software library written for the Python programming language for data manipulation and analysis. In particular, it offers data structures and operations for manipulating numerical tables and time series. It is free software released under the three-clause BSD license. [2]
A singly-linked list structure, implementing a list with three integer elements. The term list is also used for several concrete data structures that can be used to implement abstract lists, especially linked lists and arrays. In some contexts, such as in Lisp programming, the term list may refer specifically to a linked list rather than an array.
This list of lists of lists is a list of articles that are lists of other list articles. Each of the pages linked here is an index to multiple lists on a topic.
Long lists of list (e.g. > 500 characters) with no matching category may be candidates for splitting into smaller lists, or for creating a matching category. Pages in category "Long lists of lists" The following 200 pages are in this category, out of approximately 203 total.
This is a list of well-known data structures. For a wider list of terms, see list of terms relating to algorithms and data structures. For a comparison of running times for a subset of this list see comparison of data structures.
In order to find the value associated with a given key, a sequential search is used: each element of the list is searched in turn, starting at the head, until the key is found. Associative lists provide a simple way of implementing an associative array, but are efficient only when the number of keys is very small.
A useful list-of-lists article will normally present the lists in a more structured form than is possible with a category and/or provide more information than just the names of the lists." In reality, a lot of the list-of-lists articles just repeat the matching category, or (worse) a subset of the category.
The aim of a self-organizing list is to improve efficiency of linear search by moving more frequently accessed items towards the head of the list. A self-organizing list achieves near constant time for element access in the best case. A self-organizing list uses a reorganizing algorithm to adapt to various query distributions at runtime.