Assignment (2)

Question 1

No R code required

Question 2

No R code required

You only need to install a package once

Question 3

No R code required

Question 4

No R code required

Question 5

No R code required

Question 6

library(quantmod)

## Loading required package: xts

## Loading required package: zoo

## Warning: package 'zoo' was built under R version 4.5.2

## 
## 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

getSymbols(
  "MSFT",
  src = "yahoo",
  from = "2025-10-01",
  to   = "2026-02-01"
)

## [1] "MSFT"

Question 7

nrow(MSFT)

## [1] 84

Question 8

library(quantmod)

getSymbols("MSFT", 
           src = "yahoo",
           from = "2025-10-01", 
           to = "2026-02-01")

## [1] "MSFT"

msft_open <- Op(MSFT)

max_open_index <- which.max(msft_open)

max_open_date <- index(MSFT)[max_open_index]
max_open_price <- msft_open[max_open_index]

max_open_date

## [1] "2025-10-28"

max_open_price

##            MSFT.Open
## 2025-10-28       550

Question 9

No R code required

Question 10

No R code required