Publications by Maria A Ginorio
Working with XML and JSON in R
Data Project 1 MariAlejandra Ginorio 2021-03-25 Working with XML and JSON in R Pick three of your favorite books on one of your favorite subjects. At least one of the books should have more than one author. For each book include: -the title -authors -two or three other attributes that you find interesting Take the information that you’ve sele...
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Drinking Water Quality in NYC
Quality of Drinking Water Overview Overview OBTAINING DRINKING WATER DATA FROM THE ENVIRONMENTAL PROTECTION AGENCY - EPA Water is an essential factor for the whole life and the human survival and, having an important role for both drinking as well economic sectors. Therefore, protecting this source against any pollution has become necessary (W...
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Classification Model
Classification Model Metrics Overview Overview We can use machine learning to predict labels on documents using a classification model. For both types of prediction questions, we develop a learner or model to describe the relationship between a target or outcome variable and our input features; what is different about a classification model is ...
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DT606_Final Project
Data Preparation library(readr) library(tidyverse) library(ggplot2) library(lubridate) water_data <- read_delim("data/UCMR4_All_MA_WY.txt", "\t", escape_double = FALSE, locale = locale(encoding = "Latin1"), trim_ws = TRUE) ## ## -- Column specification -------------------------------------------------------- ## cols( ## .defa...
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Sentiment Analysis with Tidy Data
Task Your task is to analyze an existing recommended system that you find interesting. You should: Perform a Scenario Design analysis Consider whether it makes sense for your selected recommender system to perform scenario design twice, once for the organization (e.g. Amazon.com) and once for the organization’s customers. Reverse engineer fro...
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PART II - what factors explain differences in instructor teaching evaluation scores? Attachment
library(tidyverse) library(moderndive) library(skimr) library(ISLR) library(tinytex) Dataset evals dataset Researchers at the University of Texas in Austin, Texas (UT Austin) tried to answer the following research question: what factors explain differences in instructor teaching evaluation scores? To this end, they collected instructor and c...
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Linear Regression 1
library(tidyverse) library(moderndive) library(skimr) library(ISLR) library(tinytex) Dataset evals dataset Researchers at the University of Texas in Austin, Texas (UT Austin) tried to answer the following research question: what factors explain differences in instructor teaching evaluation scores? To this end, they collected instructor and c...
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Cars Regression Analysis
Regression Analysis Using the “cars” dataset in R, build a linear model for stopping distance as a function of speed and replicate the analysis of your textbook chapter 3 (visualization, quality evaluation of the model, and residual analysis.) library(tidyverse) library(moderndive) library(skimr) Let’s consider a simple example of how the...
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