To check whether a string 's2' contains a permutation of another string 's1', we can use a sliding window approach. First, we create a frequency dictionary for characters in 's1'. Then, we initialize ...

本ページでは「Analyzing Neural Time Series Data Theory and Practice」（Mike X. Cohen and Jordan Grafman）のChapter33をベースに、ノンパラメトリックPermutation testについて、説明をしていきます。ノンパラメトリック検定については前回のnoteで紹介していますので、そちらをご覧 ...

If a string contains duplicate characters and we try to generate the permutations of the string (i.e., permutations of all the characters in the string, where n=r in nPr), then duplicate permutations ...