ThomasIsCoding

ThomasIsCoding has asked 20 questions and find answers to 439 problems.

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ThomasIsCoding questions

construct block matrix consisting of different powers of basis matrices
(Speed Challenge) Any faster way to compute distance matrix in terms of generic Hamming distance?
Any more concise `data.table` way to unnest a nested column in data.table?
With dplyr, how to update two twisted columns in parallel, rather than an iterative manner?
Efficiently enumerate all possible matrices with given constraints
Simpler code to create a cell array of char type with the same prefix + sequential indices?
any efficient way to spread the list names to its inside vectors?
How to efficiently divide pairs into clusters such that each cluster contains all entries of a given set
Backtracking: List all possible matrices with row and column sum constraints
How to make a `functools.reduce` implementation that looks similarly as `Reduce` in R?

ThomasIsCoding answers

R- Check if string contains only certain patterns
How to iterate within a data.table
How to count number of instances over a threshold value between two dates?
How to split a string into triplets
Find the x that gives a specific value of a function
How to best combine unique and match in R?
Replacing column values if they match one of two columns in another dataset
How to remove column and row labels from data frame?
How do I make a function to create new columns with true and false for each of multiple options contained within one column?
Conditional recursive formula in dplyr