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Showing posts with the label Random

Python Set With The Ability To Pop A Random Element

I am in need of a Python (2.7) object that functions like a set (fast insertion, deletion, and memb… Read more Python Set With The Ability To Pop A Random Element

Correct Way To Add A Column Of Random Numbers To A Dask Dataframe

What is the correct way of adding a column of random numbers to a dask dataframe? I could obviously… Read more Correct Way To Add A Column Of Random Numbers To A Dask Dataframe

Create Random Number Within An Annulus

I am trying generate a random number that is within an annulus, i.e. we have a max and min radius. … Read more Create Random Number Within An Annulus

Is Random.sample Truly Random?

I have a list with 155k files. When I random.sample(list, 100), while the results are not the same … Read more Is Random.sample Truly Random?

How Can I Shuffle A Very Large List Stored In A File In Python?

I need to deterministically generate a randomized list containing the numbers from 0 to 2^32-1. Th… Read more How Can I Shuffle A Very Large List Stored In A File In Python?

Are Numpy Binomial Random Numbers Inefficient?

I have been sampling random numbers from different distributions and just realized how slow are num… Read more Are Numpy Binomial Random Numbers Inefficient?

Choose Random Validation Data Set

Given a numpy array consisting of data which has been generated for ongoing time from a simulation.… Read more Choose Random Validation Data Set

Why Does My Math Quiz Always Print Incorrect When The Answer Is Correct

okay so im writing a code that randomly generates questions and lets the user answer but my problem… Read more Why Does My Math Quiz Always Print Incorrect When The Answer Is Correct

Numpy: How To Randomly Split/select An Matrix Into N-different Matrices

I have a numpy matrix with shape of (4601, 58). I want to split the matrix randomly as per 60%, 20%… Read more Numpy: How To Randomly Split/select An Matrix Into N-different Matrices

How To Prevent Repeated Random Values?

The CPU and User is getting repeated cards. I've used the shuffle function, as well as pop. Is … Read more How To Prevent Repeated Random Values?

Full-range Random Number In Python

I'm generating a series of random floats using this line: random.random()*(maxval-minval) + min… Read more Full-range Random Number In Python

Will Python Systemrandom / Os.urandom Always Have Enough Entropy For Good Crypto

I have a password generator: import random, string def gen_pass(): foo = random.SystemRandom()… Read more Will Python Systemrandom / Os.urandom Always Have Enough Entropy For Good Crypto

Shuffle A Numpy Array

I have a 2-d numpy array that I would like to shuffle. Is the best way to reshape it to 1-d, shuffl… Read more Shuffle A Numpy Array

Multiple Independent Random Number Streams From Single Seed

I have n similar analyses each using m_i pseudo-random number streams (m_i may vary between analyse… Read more Multiple Independent Random Number Streams From Single Seed

Numpy Random Choice, Replacement Only Along One Axis

I need to sample a bunch of pairs of points from an arrary. I want that each pair consists of two … Read more Numpy Random Choice, Replacement Only Along One Axis

Randomly Sort A List With Bias

I have a list as follows: i = [ {'id': '1', 'P': 0.5}, {… Read more Randomly Sort A List With Bias

Sampling Unique Column Indexes For Each Row Of A Numpy Array

I want to generate a fixed number of random column indexes (without replacement) for each row of a … Read more Sampling Unique Column Indexes For Each Row Of A Numpy Array

What Does Secrets Module Do To Make Perfect Random Sequences In Python

Now I have a decent knowledge of math, and I know it's possible to create pseudo-random sequenc… Read more What Does Secrets Module Do To Make Perfect Random Sequences In Python

How To Random Sample Lognormal Data In Python Using The Inverse Cdf And Specify Target Percentiles?

I'm trying to generate random samples from a lognormal distribution in Python, the application … Read more How To Random Sample Lognormal Data In Python Using The Inverse Cdf And Specify Target Percentiles?

How Can I Generate Random Variables Using Np.random.zipf For A Given Range Of Values?

I have a given price range and i had used random uniform to get random generated random results fro… Read more How Can I Generate Random Variables Using Np.random.zipf For A Given Range Of Values?