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venik/MMDS module 5

Last active July 24, 2019 21:14
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MMDS module 5
Question 1
https://raw.githubusercontent.com/jameslafa/mining-massive-datasets/master/Week%202%20-%20Frequent%20Itemsets.ipynb
arr = [(20000, 60000000), (20000, 80000000), (100000, 40000000), (100000, 100000000)]
hash = lambda n, m: (1000000 + m*3) * 4
triangular = lambda n, m: (1000000 + (n**2) / 2.0) * 4
[triangular(v[0], v[1]) for v in arr]
[hash(v[0], v[1]) for v in arr]
Question 2
Below the support level: {BP}:1, {PM}:1
Question 3
ss = lambda s: s**2 / 48000000
https://www.cnblogs.com/Answer1215/p/4027903.html
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