bryangoodrich

# Twitter Topic Modeling Using R
# Author: Bryan Goodrich
# Date Created: February 13, 2015
# Last Modified: April 3, 2015
# 
# Use twitteR API to query Twitter, parse the search result, and
# perform a series of topic models for identifying potentially
# useful topics from your query content. This has applications for
# social media, research, or general curiosity
#

bryangoodrich

# Created by Bryan Goodrich
# Version 0.1
#
# Title: List Out Of Lambda [in R]
#
# An adaptation of Steve Losh's JavaScript exploration[1] with a hat tip to
# Hadley Wickham's Advanced R Programming[2] that led me there.
#
# References
# [1] http://stevelosh.com/blog/2013/03/list-out-of-lambda/

bryangoodrich

#' Execute a round of the Game of Life
#' 
#' I want to play a game. Specifically, Conway's Game of Life. 
#' 
#' @param x a matrix populated with 0s and 1s.
#' @param birth a vector indicating the birthing rule. Defaults to 3.
#' @param stay a vector indicating the stay alive rule Defaults to c(2,3).
#' @return a matrix representing an updated input matrix according to the rules
#' @references \url{http://en.wikipedia.org/wiki/Conway's_Game_of_Life}
#' @author Bryan Goodrich

bryangoodrich

#########################################
# Lesson 1 - R Basics
#
# Learning Objectives
# 1. R Data Types
# 2. Indexing
# 3. Boolean Logic and Filtering
# 4. Importing/Exporting
# 5. The R Environment
#########################################

bryangoodrich

################################################################################
# Author: Bryan Goodrich
# Created: Sometime 2012? Earlier?
#
# These functions allowed direct querying and mapping capabilities to the Bureau
# of Labor Statistics (BLS) Special Requests data through their FTP site. The 
# data were stored in fixed-width text files. 
#
# This code is non-functional in that the BLS no longer supports this FTP access.
# Additionally, the specific Local Area (LA) statistics utilized are also not

bryangoodrich

/*********************************************************************
 *  Compilation:  g++ -std=c++11 map.cpp -o map.exe
 *  Execution:    map.exe < input.txt
 *  
 *  Output the contents of a sorted map
 *  
 *  This is a toy code snippet for using C++11 types to handle
 *  an input stream, store the incoming data columns by line, 
 *  and sort the output list according to length of key,
 *  with ties broken by string sort order (map default).

bryangoodrich

/*********************************************************************
 *  Compilation:  g++ grid.cpp -o grid.exe
 *  Execution:    grid.exe < input.txt
 *  
 *  Input and rotate a grid
 *  
 *  This is a toy code snippet for handling informational
 *  input (integer size of grid), importing multiple
 *  columns, and exporting with formatted output. Nothing
 *  amazing, but can provide a basis for this sort of 

bryangoodrich

/*********************************************************************
 *  Compilation:  g++ grid_file.cpp -o grid_file.exe
 *  Execution:    grid_file.exe input.txt
 *  
 *  Input and rotate a grid
 *  
 *  This is a toy code snippet for handling informational
 *  input (integer size of grid), importing multiple
 *  columns, and exporting with formatted output. This
 *  example uses C++ approaches to file and string input

bryangoodrich

/*********************************************************************
 *  Compilation:  g++ -std=c++11 reverse.cpp -o reverse.exe
 *  Execution:    reverse.exe < input.txt
 *  
 *  Reverse an integer text input stream
 *  
 *  This is a toy code snippet for using C++11 types to handle
 *  an input stream, store the incoming data by line, and reverse
 *  it while printing to standard output.
 *  

bryangoodrich

import array
class WeightedQuickUnion:
    def __init__(self, N):
        self.count = N
        self.id = array.array('i', range(N))
        self.size = array.array('i', [1] * N)
    
    def connected(self, p, q):
        return self.find(p) == self.find(q)