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Modeling and prediction for movies Setup Load packages library(ggplot2) library(dplyr) library(statsr) library(GGally) library(gmodels) library(SignifReg) library(magrittr) Load data load("movies.Rdata") Part 1: Data Generalizability : The data set is comprised of 651 randomly sampled movies produced and released before 2016. So it has generalizability. Causality : In the data set, Each variable..

Statistical inference with the GSS data Setup Load packages library(ggplot2) library(dplyr) library(statsr) library(magrittr) library(doBy) Load data load("gss.Rdata") Part 1: Data I think the data set is generalizable. Because the data set was sampled from GSS Data though it was pre-processed. In the ‘GSS.html’ documentation,"Unlike the full General Social Survey Cumulative File, we have remove..

Exploring the BRFSS data Setup Load packages library(ggplot2) library(dplyr) Load data load("brfss2013.RData") Part 1: Data BRFSS data are collected by conducting both landline telephone- and cellular telephone-based surveys. In conducting the BRFSS landline telephone survey, interviewers collect data from a randomly selected adult in a household. So I think these sample data can be generalizabl..