ECON 3350/7350 Cointegration Eric Eisenstat The University of Queensland Tutorial 6 Eric Eisenstat (School of Economics) ECON3350/7350 Week 6 1 / 7 Spurious Regression vs Cointegration What are the implications for empirical economic research of having I(1) variables? Spurious Regressions or Cointegration It is generally true that any combination of two I(1) variables will also […]
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Natural Language Processing Jacob Eisenstein October 15, 2018 Contents Contents 1 Preface i Background ………………………………. i Howtousethisbook………………………….. ii 1 Introduction 1 1.1 Naturallanguageprocessinganditsneighbors . . . . . . . . . . . . . . . . . 1 1.2 Threethemesinnaturallanguageprocessing ……………… 6 1.2.1 1.2.2 1.2.3 I Learning Learningandknowledge ……………………. 6 Searchandlearning ……………………….
COMP0020: Functional Programming Higher Order Functions COMP0020 Functional Programming Lecture 10 Higher Order Functions (2) Christopher D. Clack (University College London) COMP0020: Functional Programming Academic Year 2019-2020 1 / 20 COMP0020: Functional Programming Higher Order Functions Contents Discussion of solutions to “challenge” Capturing common forms of recursion on lists The Miranda functions foldr and
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12/08/2020 Quiz (Week 3) www.cse.unsw.edu.au/~cs3141/20T2/Week 03/quiz.html 1/10 Quiz (Week 3) Properties for Functions Question 1 The ROT13 Cipher is a simple substitution cipher which rotates the alphabet by thirteen places, that is, A becomes N and Z becomes M . Here is a simple (rather inefcient) Haskell implementation: rot13 :: String -> String rot13 =
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COMP9313: Big Data Management Hadoop and HDFS Hadoop •Apache Hadoop is an open-source software framework that • Stores big data in a distributed manner • Processes big data parallelly • Builds on large clusters of commodity hardware. •Based on Google’s papers on Google File System(2003) and MapReduce(2004). •Hadoop is • Scalable to Petabytes or more
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ETH Zurich Sociology Working Paper No. 5 A Stata implementation of the Blinder-Oaxaca decomposition Ben Jann May 2008 ETH Zurich, Chair of Sociology SEW E 21, Scheuchzerstrasse 70 8092 Zurich, Switzerland Tel. +41 44 632 55 56 Fax+41446321054 info@soz.gess.ethz.ch www.socio.ethz.ch A Stata implementation of the Blinder-Oaxaca decomposition Ben Jann ETH Zurich jannb@ethz.ch May 2008 Abstract.
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Lexical Semantics¶ In this notebook we will use NLTK to access WordNet, look at some senses and lexical relations, and find paths between words. First, let’s load NLTK and make sure WordNet is accessible In [1]: from nltk.corpus import wordnet as wn print(wn.readme(lang=”eng”)) This is the README file for WordNet 3.0 1. About WordNet WordNet was
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COMP9313: Big Data Management Introduction to MapReduce and Spark Motivation of MapReduce •Word count • output the number of occurrence for each word in the dataset. •Naïve solution: word_count(D): H = new dict For each w in D: H[w] += 1 For each w in H: print (w, H[w]) •How to speed up? 2 Motivation
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Formal Language Theory & Finite State Automata COMP90042 Natural Language Processing Lecture 13 COPYRIGHT 2020, THE UNIVERSITY OF MELBOURNE 1 COMP90042 L13 What is a Language? • Methodstoprocesssequenceofsymbols: ‣ Language Model ‣ Hidden Markov Model ‣ Recurrent Neural Networks • Nothingisfundamentallylinguisticaboutthese models 2 COMP90042 L13 Formal Language Theory • Alanguage=setofstrings • Astring=sequenceofelementsfromafinite alphabet 3
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Algorithms Tutorial 4 Solutions 1. You are traveling by a canoe down a river and there are n trading posts along the way. Before starting your journey, you are given for each 1 ≤ i < j ≤ n the fee F(i,j) for renting a canoe from post i to post j. These fees are
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