Timothy Wolodzko twolodzko

## scheme.bnf
/* Play with it: https://bnfplayground.pauliankline.com/ */

<sexpr> ::= <atom> | <list> | <quote> | <unquote>

<atom> ::= <any>+
<list> ::= "(" " "* (<sexpr> " "+)* <sexpr>? ")"
<quote> ::= "'" <sexpr>
<unquote> ::= "," <sexpr>

<any> ::= <alpha> | <special>

## nbclean
#!/bin/bash

function usage {
    echo "Usage: $(basename "$0") [OPTION]... FILE" 2>&1
    echo "   -i     modify the file in place"
    echo "   -o     don't strip the outputs"
    echo "   -h     display this help and exit"
    exit 0
}

## 585019-sequential-updating-normal-gama.r

# See:
# https://people.eecs.berkeley.edu/%7Ejordan/courses/260-spring10/lectures/lecture5.pdf
# https://www.cs.ubc.ca/%7Emurphyk/Papers/bayesGauss.pdf

post <- function(x, mu0, kappa0, alpha0, beta0) {
  n <- length(x)
  xbar <- mean(x)
  sse <- sum((x - xbar)^2)
  mu <- ((kappa0 * mu0) + (n * xbar)) / (kappa0 + n)

## validate_cell_execution_counts.py
import json
import sys


# Validate if notebook cells were executed in order

if __name__ == '__main__':
    if len(sys.argv) > 0:
        path = sys.argv[1]
    else:

## Frequentist-vs-Bayesian-beta-hypothesis-test.ipynb

      
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                twolodzko
                / Frequentist-vs-Bayesian-beta-hypothesis-test.ipynb
            
            
              Created
              July 21, 2021 10:35
            
              
                Frequentist vs Bayesian hypothesis test giving same results answer to CrossValidated.com question
              
          
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## timeout.py
import signal
from contextlib import contextmanager
from time import sleep
import pytest


@contextmanager
def timeout(time):
    """Timeout context manager


## flags.go
package main

import (
	"fmt"
	"os"
)

func main() {
	if len(os.Args) > 1 && os.Args[1] == "--help" {
		args := "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"

## github-notebook-redirect.js
// ==UserScript==
// @name         Redirect Jupyter notebooks from GitHub
// @namespace    http://tampermonkey.net/
// @version      0.1
// @match        github.com/*.ipynb
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

## Multi-Armed Bandits.ipynb

      
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                twolodzko
                / Multi-Armed Bandits.ipynb
            
            
              Created
              August 25, 2020 14:36
            
              
                Multi-Armed Bandit Algorithm Examples
              
          
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## 471238_prior_vs_posterior.R
# code accompanying answer: https://stats.stackexchange.com/a/471245/35989

n <- 22
x <- 13

lik <- function(p) dbinom(x, n, p) * 20
prior <- function(p) dbeta(p, alpha, beta)
post <- function(p) dbeta(p, alpha+x, beta+(n-x))

op <- par(mfrow=c(1,3), mar=c(3,1,1,1), cex=0.9)
	/* Play with it: https://bnfplayground.pauliankline.com/ */

	<sexpr> ::= <atom> \| <list> \| <quote> \| <unquote>

	<atom> ::= <any>+
	<list> ::= "(" " "* (<sexpr> " "+)* <sexpr>? ")"
	<quote> ::= "'" <sexpr>
	<unquote> ::= "," <sexpr>

	<any> ::= <alpha> \| <special>
	#!/bin/bash

	function usage {
	echo "Usage: $(basename "$0") [OPTION]... FILE" 2>&1
	echo " -i modify the file in place"
	echo " -o don't strip the outputs"
	echo " -h display this help and exit"
	exit 0
	}

	# See:
	# https://people.eecs.berkeley.edu/%7Ejordan/courses/260-spring10/lectures/lecture5.pdf
	# https://www.cs.ubc.ca/%7Emurphyk/Papers/bayesGauss.pdf

	post <- function(x, mu0, kappa0, alpha0, beta0) {
	n <- length(x)
	xbar <- mean(x)
	sse <- sum((x - xbar)^2)
	mu <- ((kappa0 * mu0) + (n * xbar)) / (kappa0 + n)
	import json
	import sys


	# Validate if notebook cells were executed in order

	if __name__ == '__main__':
	if len(sys.argv) > 0:
	path = sys.argv[1]
	else:
	import signal
	from contextlib import contextmanager
	from time import sleep
	import pytest


	@contextmanager
	def timeout(time):
	"""Timeout context manager
	package main

	import (
	"fmt"
	"os"
	)

	func main() {
	if len(os.Args) > 1 && os.Args[1] == "--help" {
	args := "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
	// ==UserScript==
	// @name Redirect Jupyter notebooks from GitHub
	// @namespace http://tampermonkey.net/
	// @version 0.1
	// @match github.com/*.ipynb
	// @grant none
	// ==/UserScript==

	(function() {
	'use strict';
	# code accompanying answer: https://stats.stackexchange.com/a/471245/35989

	n <- 22
	x <- 13

	lik <- function(p) dbinom(x, n, p) * 20
	prior <- function(p) dbeta(p, alpha, beta)
	post <- function(p) dbeta(p, alpha+x, beta+(n-x))

	op <- par(mfrow=c(1,3), mar=c(3,1,1,1), cex=0.9)