Publications by Banu Boopalan
DATA 624 Homework5
DATA 624 Homework5 Running Code knitr::opts_chunk$set(echo = TRUE, warning = FALSE, error = FALSE) ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ── ✔ dplyr 1.1.4 ✔ readr 2.1.5 ✔ forcats 1.0.0 ✔ stringr 1.5.1 ✔ ggplot2 3.5.1 ...
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DATA 624 Homework4
Do problems 3.1 and 3.2 in the Kuhn and Johnson book Applied Predictive Modeling. Please submit your Rpubs link along with your .pdf for your run code. 3.1 a Using visualizations, explore the predictor variables to understand their distributions as well as the relationships between predictors. ANSWER: I have used histograms and the correlation...
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DATA 621 Homework1_MoneyBall_Analysis
Assignment Introduction We have read in the 2 datasets provided as part of this project from Github. Our goal for this project is to analyze the variables in the baseball statistics columns provided on the training file, explore missing data, understand and prepare the data and build regression models to fit the data (predict our Y or dependen...
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DATA 624 Homework3
Do exercises 5.1, 5.2, 5.3, 5.4 and 5.7 in the Hyndman book. 5.1 Produce forecasts for the following series using whichever of NAIVE(y), SNAIVE(y) or RW(y ~ drift()) is more appropriate in each case: Australian Population (global_economy) Bricks (aus_production) NSW Lambs (aus_livestock) Household wealth (hh_budget). Australian takeaway food t...
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DATA 624 Week3_Homework_2
WEEK3 HOMEWORK Do exercises 3.1, 3.2, 3.3, 3.4, 3.5, 3.7, 3.8 and 3.9 from the online Hyndman book. Please include your Rpubs link along with.pdf file of your run code PROBLEM 3.1 Consider the GDP information in global_economy. Plot the GDP per capita for each country over time. Which country has the highest GDP per capita? How has this cha...
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DATA 624_Homework1
WEEK2 HOMEWORK Please submit exercises 2.1, 2.2, 2.3, 2.4, 2.5 and 2.8 from the Hyndman online Forecasting book. Please submit both your Rpubs link as well as attach the .pdf file with your code.” PROBLEM 2.1 Explore the following four time series: Bricks from aus_production, Lynx from pelt, Close from gafa_stock, Demand from vic_elec. Use ? ...
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DATA 608 Homework1
Principles of Data Visualization and Introduction to ggplot2 I have provided you with data about the 5,000 fastest growing companies in the US, as compiled by Inc. magazine. lets read this in: inc <- read.csv("https://raw.githubusercontent.com/charleyferrari/CUNY_DATA_608/master/module1/Data/inc5000_data.csv", header= TRUE) And lets preview this...
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Module 3 Homework
I have provided you with data about mortality from all 50 states and the District of Columbia.Please access it at https://github.com/charleyferrari/CUNY_DATA608/tree/master/module3/data You are invited to gather more data from our provider, the CDC WONDER system, at https://wonder.cdc.gov This assignment must be done in R. It must be done using t...
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DATA608 Final Project Proposal
BANU BOOPALAN PROPOSAL: DATA 608 ##DATA SOURCES: NCHS - Leading Causes of Death: United States https://data.cdc.gov/NCHS/NCHS-Leading-Causes-of-Death-United-States/bi63-dtpu Summary of the dataset : This dataset presents the age-adjusted death rates for the 10 leading causes of death in the United States beginning in 1999. Data are based on info...
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Data 606 Homework6
2010 Healthcare Law. (6.48, p. 248) On June 28, 2012 the U.S. Supreme Court upheld the much debated 2010 healthcare law, declaring it constitutional. A Gallup poll released the day after this decision indicates that 46% of 1,012 Americans agree with this decision. At a 95% confidence level, this sample has a 3% margin of error. Based on this inf...
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