Publications by Adam Gersowitz
DATA 606 Final Project
DATA 606 Data Final Project Adam Gersowitz Introduction Over the past century, climate change has caused global temperatures to rise across the world. I’m going to examine if the year to year percent chage in temperature varies for coordinates in Central and South America. By doing this I will be able to establish if other factors cause the c...
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AGersowitz Data 607 Final
Introduction Recently, there has been extensive debates about “opening” the economy from COVID-19 related quarantine in order to improve the lives of American citizens. However, most polling figures show that a strong majority of Americans are not in favor of re-opening the economy. I will examine how different economic factors truly impact t...
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Data 606 HW 9
Baby weights, Part I. (9.1, p. 350) The Child Health and Development Studies investigate a range of topics. One study considered all pregnancies between 1960 and 1967 among women in the Kaiser Foundation Health Plan in the San Francisco East Bay area. Here, we study the relationship between smoking and weight of the baby. The variable smoke is c...
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606 Lab 9
Grading the professor Many college courses conclude by giving students the opportunity to evaluate the course and the instructor anonymously. However, the use of these student evaluations as an indicator of course quality and teaching effectiveness is often criticized because these measures may reflect the influence of non-teaching related charac...
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Data Science in Context: Association Rule Mining
Introduction This is a short vignette on the arules library and the association mining information that can be found from transactional datasets using the library. Notice that the class for Groceries is “transactions.” This is important to note because the apriori() function will only take the transaction class as input. We can also see after...
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Data 607 Project 4
Introduction In Project 4 we were tasked with creating a documentation classification filter that would act as a spam filter. I took spam and non-spam (ham) emails from https://spamassassin.apache.org/old/publiccorpus/. Data Collection First I created a few for loops that would reference the local directory to download the text files associated ...
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Adam Gersowitz Tidyverse Extend
Introduction Vignette for the popular stringr functions from the Tidyverse packages. The stringr library provides a suite of commonly used string manipulation functions to assist in data cleaning and data preparation tasks. The 8 most popular stringr verbs: detect: Identifies a match to the pattern count: Counts the number of instances of the pa...
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Spotify Recommender Systems
Spotify Recommender System Spotify is the biggest name in the streaming music world. One of the best features in spotify is the discover weekly playlist where spotify will recommend a playlist of songs based on your listening habits.Specifically Spotify will make suggestions based on historical interactions such as listens, skips and adding a son...
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Gersowitz 606 HW 8.21
8.21 Tourism spending. The Association of Turkish Travel Agencies reports the number of foreign tourists visiting Turkey and tourist spending by year.14 Three plots are provided: scatterplot showing the relationship between these two variables along with the least squares fit, residuals plot, and histogram of residuals. 8.21 graphic (a) Descr...
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Gersowitz tidyverse create
Using ggplot2::geom_polygon in Visual Context library (readr) library(RCurl) ## Loading required package: bitops library(sqldf) ## Loading required package: gsubfn ## Loading required package: proto ## Loading required package: RSQLite library(ggplot2) Load information from 538 on Information on Foul Balls in the MLB In this section I bring in ...
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