NumPy NumPy is a Python library for numerical computing that offers multi-dimensional arrays and indices as data structures and additional high-level math utilities. ndarray The unique offering of NumPy is the ndarray data structure, which stands for n-dimensional array.
0 Comments... machine running the Python code. Duck Typing TODO Data Structures Empty array list = [] Array with values list = [1, 2, 3] Empty hash map hashmap = {} Hash map with values hashmap = {'a': 'b'} Empty set s = set() Set with values s = set([1, 2, 3]) Min heap import heapq q = [] heapq.
0 Comments... one type of metadata would be the column name. In comparison, a traditional 2-dimensional array does not contain column or row specific metadata. DataFrames are quite helpful in this regard, but the additional metadata also means more memory overhead.
0 CommentsData Warehousing Software Hadoop Apache Hadoop is a framework for large-scale, distributed jobs that consists of these main components: MapReduce: jobs are distributed into a group of mapper tasks and then reduced (combined) into a single output HDFS: A distributed file system used by Hadoop, which is shared across the Hadoop cluster.
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