library(quantmod)
## Loading required package: xts
## Loading required package: zoo
## 
## Attaching package: 'zoo'
## The following objects are masked from 'package:base':
## 
##     as.Date, as.Date.numeric
## Loading required package: TTR
## Registered S3 method overwritten by 'quantmod':
##   method            from
##   as.zoo.data.frame zoo

Question 5

getSymbols("AAPL")
## [1] "AAPL"
getSymbols('CPIAUCNS',src='FRED', from = "2000-01-01", to = "2024-01-01")
## [1] "CPIAUCNS"

Question 6

getSymbols.yahoo("MSFT", .GlobalEnv, from = "2024-10-01", to = "2025-01-31", periodicity = "weekly")
## [1] "MSFT"
getSymbols("MSFT", src="yahoo",from = "2024-10-01", to = "2025-02-01")
## [1] "MSFT"
getSymbols(c("GOOG","AMZN"), src="yahoo")
## [1] "GOOG" "AMZN"

Question 7

dim(MSFT)
## [1] 84  6

Question 8

plot(MSFT$MSFT.Open)