Publications by Darwhin Gomez
Gun Laws and Mortality
Gun Control in the U.S.A., Does it Matter? Darwhin Gomez A Nation is Born In 1776, the Thirteen Colonies declared independence from the British Empire. To protect against future threats, the new United States added the Second Amendment to its Constitution: “A well regulated Militia, being necessary to the security of a free State, the right ...
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Data 622 Assignment 2
Table of contents Experimentation and Modeling Applying Recommendations from Project One: Baseline Models Bussiness Case Experiments Models Results Summary of results Conclusion Bank Maketing Model Experimentation Author Darwhin Gomez Published March 23, 2025 Code #Loading the data, viewing the srtucture bank_data<-readRDS("data/bank_ful...
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Assignment 2 data 608
The Dual Mandate of the Federal Reserve Darwhin Gomez 2025-03-04 The Dual Mandate The Federal Reserve Bank of the United States(The Fed) has been entrusted by Congress with two mandates to regulate the country’s economy. This dual mandate requires the Fed to control inflation and keep unemployment low. Since the Fed controls the Federal Fund...
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Data622: EDA for Bank Transactions from a Portuguese Bank to Predict Term Deposits
Table of contents Bank Marketing (with social/economic context) Data Loading the Data Exploratory Data Analysis Counts, Missingness Categorical exploration Bar Plots Response Variable Numerical Exploration Model Recommendation Bank Marketing Classifier Author Darwhin Gomez Bank Marketing (with social/economic context) The goal of this e...
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Data 608: Story 1
Table of contents Introduction Data Prep Data Analysis Conclusion Data Story 1: Data analysis on Biden allocated IIJA funds based on political alignment, showing an equitable distribution across states regardless of party affiliation. Author Darwhin Gomez Introduction The Infrastructure Investment and Jobs Act (IIJA), enacted in 2021, allocat...
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Biden IIJA Funding allocation
Table of contents Introduction Data Prep Data Analysis Conclusion Data Story 1: Data analysis on Biden allocated IIJA funds based on political alignment, showing an non-equitable distribution across states and no direct benefit to the Biden agenda. Author Darwhin Gomez Introduction The Infrastructure Investment and Jobs Act (IIJA), enacted in...
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Project2: Predict PH
ABC Beverage Company Introduction and Abstract In response to new regulations requiring ABC Beverage to better understand our manufacturing process and predictive factors for PH levels, our data science team analyzed historical production data to build a reliable forecasting model. The goal was to identify the key factors influencing PH and cre...
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Groceries
Instructions Imagine 10000 receipts sitting on your table. Each receipt represents a transaction with items that were purchased. The receipt is a representation of stuff that went into a customer’s basket - and therefore ‘Market Basket Analysis’. That is exactly what the Groceries Data Set contains: a collection of receipts with each line...
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Data 624 Assignment 9
8.1 A set.seed(200) simulated <- mlbench.friedman1(200, sd = 1) simulated <- cbind(simulated$x, simulated$y) simulated <- as.data.frame(simulated) colnames(simulated)[ncol(simulated)] <- "y" model1 <- randomForest(y ~ ., data = simulated, importance = TRUE, ntree = 1000) rfImp1 <- varImp(model1...
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Assignment 8
7.2. ## Friedman (1991) introduced several benchmark data sets create by sim ulation. One of these simulations used the following nonlinear equation to create data: y =10sin(πx1x2) +20(x3 −0.5)2 +10x4 +5x5 +N(0,σ2) where the x values are random variables uniformly distributed between [0, 1] (there are also 5 other non-informative variables a...
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