Publications by Jean Jimenez
Data 607 Final Project Team Android
Clustering of European Country Data Introduction In this project, we explore the interesting association between European social values and Eurovision contest outcomes. By using skills learned in the semester, our focus is to cluster and visualize European survey data alongside Eurovision contest results. This approach aims to uncover potentia...
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Data 605 Final #2
Problem #2 Question You are to register for Kaggle.com (free) and compete in the Regression with a Crab Age Dataset competition. https://www.kaggle.com/competitions/playground-series-s3e16 I want you to do the following. 5 points. Descriptive and Inferential Statistics. Provide univariate descriptive statistics and appropriate plots for t...
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Data 605 Final #1
Problem #1 Question Using R, set a random seed equal to 1234 (i.e., set.seed(1234)). Generate a random variable X that has 10,000 continuous random uniform values between 5 and 15.Then generate a random variable Y that has 10,000 random normal values with a mean of 10 and a standard deviation of 2.89. Probability. Calculate as a minimum the ...
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Data 605 Hw 15
#1 Question: Find the equation of the regression line for the given points. Round any final values to the nearest hundredth, if necessary. ( 5.6, 8.8 ), ( 6.3, 12.4 ), ( 7, 14.8 ), ( 7.7, 18.2 ), ( 8.4, 20.8 ) Work and Answer: x1=c(5.6,6.3,7,7.7,8.4) y1=c(8.8,12.4,14.8,18.2,20.8) model1=lm(y1 ~ x1) slope1=round(coef(model1)[2],2) intercept1...
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Data 605 Hw 14
library(ggplot2) library(Deriv) ## Warning: package 'Deriv' was built under R version 4.3.2 Assignment This week, we’ll work out some Taylor Series expansions of popular functions: \(f(x)=\frac{1}{1-x}\) \(f(x)=e^x\) \(f(x)=\ln(1+x)\) \(f(x)=x^\frac{1}{2}\) For each function, only consider its valid ranges as indicated in the notes when you...
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Data 605 Homework 13
#1 Question Use integration by substitution to solve the integral below \(\int 4e^{-7x} \, dx\) Work Let \(u = -7x\) \(du= -7 dx\) \(dx=- \frac{1}{7} du\) That will make the integral \(\int 4e^{u} \left(-\frac{1}{7}\right) \, du\) \(-\frac{4}{7} \int e^{u} du\) Which is: \(-\frac{4}{7} e^{u} + C\) \(-\frac{4}{7} e^{-7x} + C\) Answer \(\int 4e^{...
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Logistic Regression of Mushroom Dataset
Load the required libraries library(tidyverse) ## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ── ## ✔ dplyr 1.1.3 ✔ readr 2.1.4 ## ✔ forcats 1.0.0 ✔ stringr 1.5.1 ## ✔ ggplot2 3.4.4 ✔ tibble 3.2.1 ## ✔ lubridate 1...
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Data 605 Homework 12
library(tidyverse) ## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ── ## ✔ dplyr 1.1.3 ✔ readr 2.1.4 ## ✔ forcats 1.0.0 ✔ stringr 1.5.0 ## ✔ ggplot2 3.4.4 ✔ tibble 3.2.1 ## ✔ lubridate 1.9.3 ✔ tidyr 1.3.0...
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Data 605 Homework 11
Question 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.) Work and Answer Linear Model First, I loaded the cars data set. Then, I built the linear model by setting s...
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Team Android Data 607 Week 10 Assignment
Introduction For this weeks homework assignment, we had to preform sentiment analysis on some text. Sentiment analysis is when you analyze some text, and attribute values to the word used. It is used to figure out opinions or sentiment held in writing. There are many different Lexicons that can be used to conduct sentiment analysis. For the pur...
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