Publications by Susanna Wong
Document
R Markdown This is an R Markdown document. Markdown is a simple formatting syntax for authoring HTML, PDF, and MS Word documents. For more details on using R Markdown see http://rmarkdown.rstudio.com. When you click the Knit button a document will be generated that includes both content as well as the output of any embedded R code chunks within the...
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DATA 605
R Markdown This is an R Markdown document. Markdown is a simple formatting syntax for authoring HTML, PDF, and MS Word documents. For more details on using R Markdown see http://rmarkdown.rstudio.com. When you click the Knit button a document will be generated that includes both content as well as the output of any embedded R code chunks within the...
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DATA 605 Homework 4
Assignment Prompt With the attached data file, build and visualize eigenimagery that accounts for 80% of the variability. Provide full R code and discussion. Load Libraries library(foreach) library(jpeg) library(EBImage) ## Warning: package 'EBImage' was built under R version 4.2.3 Load Images from Folder filepath <- "~/Downloads/jpg" files <- li...
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DATA 605 HW 4
Assignment Prompt With the attached data file, build and visualize eigenimagery that accounts for 80% of the variability. Provide full R code and discussion. Load Libraries library(foreach) library(jpeg) library(EBImage) ## Warning: package 'EBImage' was built under R version 4.2.3 Load Images from Folder filepath <- "~/Downloads/jpg" files <- li...
343 sym R (3528 sym/18 pcs) 3 img
Swong DATA 605 HW 4
Assignment Prompt With the attached data file, build and visualize eigenimagery that accounts for 80% of the variability. Provide full R code and discussion. Load Libraries library(foreach) library(jpeg) library(EBImage) Load Images from Folder filepath <- "~/Downloads/jpg" files <- list.files(filepath) print(files) ## [1] "RC_2500x1200_2014_us_...
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DATA 605 HW 3
Assignment Prompt Problem set 1 What is the rank of the matrix A? A = \(\left[\begin{array}{ccc} 1 & 2 & 3 & 4\\ -1 & 0 & 1 & 3\\ 0 & 1 & -2 & 1\\ 5 & 4 & -2 & -3\\ \end{array}\right]\) Given an mxn matrix where m > n, what can be the maximum rank? The minimum rank, assuming that the matrix is non-zero? What is the rank of matrix B? B = \(\left...
10809 sym R (2521 sym/37 pcs)
project
Introduction Data Crime Data: Use publicly available crime data from the New York City Open Data. The data includes information such as the type of crime, the location of the crime, the date of the crime, information of perpetrators. NY Borough Population Size: Webscrap population size of each NY borough from CityPopulation. The website contains t...
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Project 4
Project 4: Document Classification It can be useful to be able to classify new “test” documents using already classified “training” documents. A common example is using a corpus of labeled spam and ham (non-spam) e-mails to predict whether or not a new document is spam. For this project, you can start with a spam/ham dataset, then predict t...
1170 sym R (2073 sym/24 pcs)
Susanna Tidyverse extend
JLok Tidyverse Create Overview In this assignment, you’ll practice collaborating around a code project with GitHub. You could consider our collective work as building out a book of examples on how to use TidyVerse functions. GitHub repository: https://github.com/acatlin/SPRING2023TIDYVERSE Your task here is to Create an Example. Using one or mor...
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DATA 607 Extra Credit - Global Baseline Estimate
Assignment Prompt Using the information you collected on movie ratings, implement a Global Baseline Estimate recommendation system in R. Most recommender systems use personalized algorithms like “content management” and “item-item collaborative filtering.” Sometimes non-personalized recommenders are also useful or necessary. One of the best...
3371 sym R (3241 sym/13 pcs)