Publications by Gabriella Martinez
DATA624 HW1
Homework 1: Time Series Instructions Please submit exercises 2.1, 2.2, 2.3, 2.4, 2.5 and 2.8 from the Hyndman online Forecasting: Principles and Practice book. Please submit both your Rpubs link as well as attach the .rmd file with your code. Packages library(fpp3) library(dplyr) Exercises 2.1 Use the help function to explore what the series...
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DATA624 HW2
Homework 2: Decomposition Instructions Do exercises 3.1, 3.2, 3.3, 3.4, 3.5, 3.7, 3.8 and 3.9 from Forecasting: Principles and Practice book. Please submit both your Rpubs link as well as attach the .rmd file with your code. Packages library(fpp3) library(latex2exp) library(forecast) library(seasonal) Exercises 3.1 Consider the GDP informa...
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DATA624 HW4
Homework 4: Data Preprocessing/Overfitting Instructions Do exercises 3.1 and 3.2 in the Kuhn and Johnson book Applied Predictive Modeling book. Please submit both your Rpubs link as well as attach the .rmd file with your code. Packages library(mlbench) library(ggplot2) library(reshape2) library(corrplot) library(dplyr) library(Amelia) lib...
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DATA624 Project 2
Instructions This is role playing. I am your new boss. I am in charge of production at ABC Beverage and you are a team of data scientists reporting to me. My leadership has told me that new regulations are requiring us to understand our manufacturing process, the predictive factors and be able to report to them our predictive model of pH. Please ...
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DATA624 HW8
Homework 8: Non-Linear Regression Instructions In Kuhn and Johnson do problems 7.2 and 7.5. There are only two but they consist of many parts. Please submit a link to your Rpubs and submit the .rmd file as well. Packages library(AppliedPredictiveModeling) library(dplyr) library(forecast) library(ggplot2) library(tidyr) library(mice) libra...
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DATA624 HW7
Homework 7: Linear Regression Instructions In Kuhn and Johnson do problems 6.2 and 6.3. There are only two but they consist of many parts. Please submit a link to your Rpubs and submit the .rmd file as well. Packages library(AppliedPredictiveModeling) library(caret) library(dplyr) library(mice) library(corrplot) 6.2 6.2. Developing a model...
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DATA624 HW9
Homework 9: Trees and Rules Instructions In Kuhn and Johnson do problems 8.1, 8.2, 8.3, and 8.7. Please submit a link to your Rpubs and submit the .rmd file as well. Packages library(AppliedPredictiveModeling) library(dplyr) library(forecast) library(ggplot2) library(tidyr) library(mice) library(corrplot) library(MASS) library(earth) l...
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