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Libraries:
library(ggplot2) library(scales) library(forecast) library(dplyr) library(forecast) library(readr) theme_set(theme_gray())
Load Covid-19 Data for USA
rm(list=ls()) US <- read_csv("./DATA/owid-covid-data.csv") %>% filter(location=="United States") %>% select(date,new_cases,new_deaths,total_cases,total_deaths)
Calculate 14 Day Moving Averages: Cases and Deaths
US$MAC <- ma(US$new_cases,14,centre = TRUE) US$MAD <- ma(US$new_deaths,14,centre = TRUE) summary(US)
Plot of Daily Cases with 14 Day Moving Averages
US %>% filter(date >="2020-01-24") %>% ggplot() + geom_line(aes(x=date,y=new_cases,col="Daily Cases"),lwd=1) + geom_line(aes(x=date,y=MAC,col="Moving Average"),lwd=1) + labs(title="US Daily Cases w/ 14 Day Moving Average",x="Year",y="Daily Cases") + scale_y_continuous(labels=comma)
Plot of Daily Deaths with 14 Day Moving Average
US %>% filter(date >="2020-02-29") %>% ggplot() + geom_line(aes(x=date,y=new_deaths,col="Daily Deaths"),lwd=1) + geom_line(aes(x=date,y=MAD,col="Moving Average"),lwd=1) + labs(title="US Daily Deaths w/ 14 Day Moving Average",x="Year",y="Daily Deaths") + scale_y_continuous(labels=comma)
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