• R language data visualization analysis case: exploring BRFSS data


    Original link:http://tecdat.cn/?p=9284 Load package library(tidyr) library(knitr) opts_chunk$set(echo = TRUE, fig.align = “center”) Load data load(“brfss2013.RData”) Part 1: Data Describe how to collect observations in the sample and the impact of this data collection method on the inferred range (generalizability / causality).http://www.cdc.gov/brfss/, and the “more about data” section below. “BRFSS is a cross-sectional telephone survey. The state health department conducts the […]