Matthew Wigginton Bhagat-Conway mattwigway

90 followers · 15 following

Department of City and Regional Planning, University of North Carolina at Chapel Hill
Durham, NC, USA
http://www.indicatrix.org

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mattwigway / Explore Incorrect Number of HH Members on Trips.ipynb

Created June 21, 2019 00:07

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mattwigway / namedzip.py

Created July 13, 2018 00:18

	# similar to Python's built in zip function, but yielding named tuples instead of tuples.
	# i.e. list(namedzip(a=[1, 2], b=[3, 4])) => [namedzipitem(a=1, b=3), namedzipitem(a=2, b=4)]
	# Author: Matthew Wigginton Conway <[email protected]>
	# feel free to use and share

	from collections import namedtuple
	def namedzip (**kwargs):
	keys = list(kwargs.keys())
	typ = namedtuple('namedzipitem', keys)
	length = len(kwargs[keys[0]])

mattwigway / boxplot.py

Last active January 4, 2018 23:23

Matplotlib boxplot with custom summary stats

	# To the extent possible under law, Matthew Wigginton Conway has waived all copyright and
	# related or neighboring rights to this work. This work is published from: United States.
	def customBoxPlot (whiskerLo, boxLo, med, boxHi, whiskerHi, **kwargs):
	fakeData = [np.array([42, 42]) for i in whiskerLo]
	bp = plt.boxplot(fakeData, **kwargs)

	for i in range(len(whiskerLo)):
	# https://stackoverflow.com/questions/27214537
	# This can't possibly be the best way to do this...
	# lower whisker

mattwigway / ocrpdf.sh

Last active August 21, 2017 20:35

Command-line tool to OCR PDFs

	#!/bin/bash
	# OCR a PDF using Tesseract and Ghostscript
	# (brew install tesseract, brew install ghostscript using Homebrew on a Mac)
	# Usage: ocrpdf input.pdf output.pdf

	# Copyright (c) 2017 Matthew Wigginton Conway
	#
	# Permission is hereby granted, free of charge, to any person obtaining a copy
	# of this software and associated documentation files (the "Software"), to deal
	# in the Software without restriction, including without limitation the rights

mattwigway / transitive.json

Created November 18, 2015 18:14

This file has been truncated, but you can view the full file.

"{"places":[{"place_id":"from","place_name":"Origin","place_lat":38.914544497799476,"place_lon":-77.0196533203125},{"place_id":"to","place_name":"Destination","place_lat":38.77335772026906,"place_lon":-77.0196533203125}],"journeys":[{"journey_id":0,"journey_name":0,"segments":[{"type":"WALK","from":{"type":"PLACE","place_id":"from"},"to":{"type":"STOP","stop_id":"1095"}},{"type":"TRANSIT","pattern_id":"66","from_stop_index":8,"to_stop_index":17},{"type":"WALK","from":{"type":"STOP","stop_id":"3581"},"to":{"type":"STOP","stop_id":"9613"}},{"type":"TRANSIT","pattern_id":"526","from_stop_index":1,"to_stop_index":27},{"type":"WALK","from":{"type":"STOP","stop_id":"1192"},"to":{"type":"STOP","stop_id":"10067"}},{"type":"TRANSIT","pattern_id":"256","from_stop_index":26,"to_stop_index":27},{"type":"WALK","from":{"type":"STOP","stop_id":"10622"},"to":{"type":"PLACE","place_id":"to"}}]},{"journey_id":1,"journey_name":1,"segments":[{"type":"WALK","from":{"type":"PLACE","place_id":"from"},"to":{"type":"STOP","stop_id":"

mattwigway / StringNPE.java

Last active September 15, 2015 16:11

StringNPE.java

	import org.mapdb.*;

	import java.util.Collections;
	import java.util.Iterator;
	import java.util.List;
	import java.util.stream.Collectors;
	import java.util.stream.IntStream;

	/**
	* Created by matthewc on 9/15/15.

mattwigway / addNullValues.py

Created September 9, 2015 12:50

Replace bottom-coded values with null

	#!/usr/bin/python
	# Remove all the -99999... values in the NL neighborhoods file and replace them with NULL

	from sys import argv
	import fiona

	with fiona.open(argv[1]) as infile:
	meta = infile.meta
	meta['schema']['geometry'] = 'MultiPolygon'

mattwigway / index.html

Last active August 29, 2015 14:17

	<!DOCTYPE html>
	<html>
	<head>
	<title>MetricsGraphics Confidence Bound Test</title>
	<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/metrics-graphics/2.2.1/metricsgraphics.css" />
	</head>
	<body>
	<div id="chart"></div>

	<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>

mattwigway / InverseKeys.java

Created March 16, 2015 14:16

MapDB inverse secondary keys

	/**
	* Create a set of Tuple2<key in original map, value> - secondary keys, backwards.
	*/
	public static <K, V, V2> void inverseSecondaryKeys (MapWithModificationListener<K, V> map,
	final NavigableSet<Fun.Tuple2<K, V2>> set, final Function2<V2[], K, V> fun) {

	if (set.isEmpty()) {
	for (Map.Entry<K, V> e : map.entrySet()) {
	for (V2 val : fun.run(e.getKey(), e.getValue())) {
	set.add(new Tuple2<K, V2>(e.getKey(), val));

mattwigway / MapDBEmptyPumpSource.java

Created February 24, 2015 18:54

Cannot use empty pump source with MapDB

	import java.util.Iterator;

	import org.mapdb.DB;
	import org.mapdb.DBMaker;
	import org.mapdb.Fun.Tuple2;

	public class MapDBEmptyPumpSource {
	public static void main(String... args) {
	Iterator<Tuple2<String, String>> data = new Iterator () {

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