## Adjusting basic football simulation algorithm

I need help with adjusting my very basic football matches simulation algorithm. It doesn’t need to take in account anything other than team rating (combined rating of team players). I came up with …

## How to check if sample has same probability distribution as population in Python?

I have a Dataframe with millions of rows, to create a model, I have taken a random sample from this dataset using dataset.sample(int(len(dataset)/5)) which returns a random sample of items from an …

## Estimating parameters of binomial distribution to use as machine learning features

I’m working with genetic data in which alleles were observed n times in t number of chromosomes sequenced. In other words, n successes in t trials. I want to include an estimate of each allele’s …

## Can you return n choose k combinations in Javascript using Array.flatMap?

For instance, this is 5 choose 2: var array = [0,1,2,3,4]; var result = array.flatMap( (v, i) => array.slice(i+1).map(w => [v, w]) ); console.log(result); …

## How to compute occurence probability of rows inside a SQL (MySQL) table using a single query?

I have a table containing some similar rows representing objects for a game. I use this table as a way to select objects randomly. Of course, I ignore the size of the table. My problem is that I would …

## How do I convert probability into z-score

Javascript> If you are in the data science industry, you would be bothered if you don’t have normal distribution table. I came across the article in Stackoverflow that converts z-score to probability …

## Show that A is an event

Let \$X_n\$ be a sequence of random variables on a probability space \$(Omega, F, P)\$. Let’s define: \$\$A={ w in Omega: lim_{n to infty} X_n(w) space text{exists}} .\$\$ Now, I need to show …

## Plotting probability density function by sample with matplotlib [closed]

I want to plot an approximation of probability density function based on a sample that I have; The curve that mimics the histogram behaviour. I can have samples as big as I want.