Publications by J.Falck, A.Haque, M.Matanos. E.Rodrigues
Data 605 - Assignment 2
Juan Falck - Assignment 2 Juan Falck - Assignment 2 Problem Set 1 Problem Set 2 2022-12-09 rm(list=ls()) library(pracma) library(matrixcalc) Problem Set 1 1. Show that \(AA^T \neq A^TA\) in general (proof and demonstration) Proof For this we will make use of the case where is A is not square-matrix. That is: # Rows \(\neq\...
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Data_607_Assignment_1
library(tidyverse) library(reshape) Introduction For this assignment I used the dataset contained in the article “How Baby Boomers get high”. The article link is here link The artcile analyzes drug usage (including alcohol) by different age-groups. The article focuses on baby-boomers defined in this article as people ages 50-64. General fin...
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Data 606 Lab1
library(tidyverse) library(openintro) Exercise 1 arbuthnot$girls ## [1] 4683 4457 4102 4590 4839 4820 4928 4605 4457 4952 4784 5332 5200 4910 4617 ## [16] 3997 3919 3395 3536 3181 2746 2722 2840 2908 2959 3179 3349 3382 3289 3013 ## [31] 2781 3247 4107 4803 4881 5681 4858 4319 5322 5560 5829 5719 6061 6120 5822 ## [46] 5738 5717 5847 6203 6...
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Data 606 Lab8
The Human Freedom Index is a report that attempts to summarize the idea of “freedom” through a bunch of different variables for many countries around the globe. It serves as a rough objective measure for the relationships between the different types of freedom - whether it’s political, religious, economical or personal freedom - and other s...
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Data_606_Lab5b
If you have access to data on an entire population, say the opinion of every adult in the United States on whether or not they think climate change is affecting their local community, it’s straightforward to answer questions like, “What percent of US adults think climate change is affecting their local community?”. Similarly, if you had dem...
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Data_606_Lab5a
In this lab, you will investigate the ways in which the statistics from a random sample of data can serve as point estimates for population parameters. We’re interested in formulating a sampling distribution of our estimate in order to learn about the properties of the estimate, such as its distribution. Setting a seed: We will take some rando...
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Data_607_Project2
Some Background on the Project There are many ways to immigrate legally to the United States. Main categories are FAMILY BASED and EMPLOYMENT based. We will focus on FAMILY BASED. In this type a US Citizens can ask for an Immigration VISA for their relatives. This is when it gets complicated. The number of VISAS annually depend on two main factor...
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Data_607_Assignment_5
Tidying and Transforming Vaccination Data Initialization I will use the package “readxl” to read directly the .XLS file from my drive. library(tidyverse) ## -- Attaching packages --------------------------------------- tidyverse 1.3.1 -- ## v tibble 3.1.6 v purrr 0.3.4 ## v tidyr 1.1.3 v stringr 1.4.0 ## v readr 2.1.1 v ...
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Data_607_Project1
Chess Tournament We will attempt to complete this project by using only REGEX (Regular Expressions) to extract all features necessary. I am sure there are many other ways to tackle this project, but since I’ve never used REGEX before, I decided to give it a try. Initialization We won’t use many packages, just the basic ones in TIDYVERSE rm(l...
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Data_607_Assignment_3
Let’s first delete all variables and load our tidyverse library. rm(list=ls()) library(tidyverse) Exercise 1 Using the 173 majors listed in fivethirtyeight.com’s College Majors dataset [https://fivethirtyeight.com/features/the-economic-guide-to-picking-a-college-major/], provide code that identifies the majors that contain either “DATA�...
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