Saikat Kumar Dey saikatkumardey

Multi-armed banditry in Python with slots

Roy Keyes

22 Aug 2016 - This is a post on my blog.

I recently released slots, a Python library that implements multi-armed bandit strategies. If that sounds like something that won't put you to sleep, then please pip install slots and read on.

Multi-armed bandits

ANNOUNCEMENT

I have moved this over to the Tech Interview Cheat Sheet Repo and has been expanded and even has code challenges you can run and practice against!

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Title

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URL

<The URL Structure (path only, no root url)>
Method:


	def dfs_postorder_recursive(root):
	if root is None:
	return # base case
	dfs_postorder_recursive(root.left) # LEFT
	dfs_postorder_recursive(root.right) # RIGHT
	visit(root) # VISIT


	# T. Webster-like approach,

	#!/usr/bin/env python3
	# coding: utf-8
	"""
	Author : weaming
	Created Time : 2018-05-26 21:32:59
	Prerequisite:
	python3 -m pip install cson arrow
	"""
	import json
	import os

	# Dockerfile for prodigy, just place your linux-wheel (prodigy-0.1.0-cp36-cp36m-linux_x86_64.whl) in same directoty as
	# this dockerfile and:
	# > docker build . -t prodigy
	# > docker run -it -p 8080:8080 -v ${PWD}:/work prodigy bash

	FROM python:3.6
	RUN mkdir /prodigy
	WORKDIR /prodigy
	COPY ./prodigy-0.1.0-cp36-cp36m-linux_x86_64.whl /prodigy
	RUN pip install prodigy-0.1.0-cp36-cp36m-linux_x86_64.whl

	<configuration>
	<property>
	<name>fs.s3a.access.key</name>
	<value>S3_ACCESS_KEY</value>
	</property>

	<property>
	<name>fs.s3a.secret.key</name>
	<value>S3_SECRET_KEY</value>
	</property>

	'''
	Most heatmap tutorials I found online use pyplot.pcolormesh with random sets of
	data from Numpy; I just needed to plot x, y, z values stored in lists--without
	all the Numpy mumbo jumbo. Here I have code to plot intensity on a 2D array, and
	I only use Numpy where I need to (pcolormesh expects Numpy arrays as inputs).
	'''
	import matplotlib.pyplot as plt
	import numpy as np

	#here's our data to plot, all normal Python lists