Use the given code below to answer the questions.

Q1 Get Amazon stock prices, instead of Apple.

Hint: Insert a new code chunk below and type in the code, using the tq_get() function above. Replace the ticker symbol for Microsoft. You may find the ticker symbol for Microsoft from Yahoo Finance.

## # A tibble: 924 x 7
##    date        open  high   low close   volume adjusted
##    <date>     <dbl> <dbl> <dbl> <dbl>    <dbl>    <dbl>
##  1 2016-01-04  54.3  54.8  53.4  54.8 53778000     50.7
##  2 2016-01-05  54.9  55.4  54.5  55.0 34079700     50.9
##  3 2016-01-06  54.3  54.4  53.6  54.0 39518900     50.0
##  4 2016-01-07  52.7  53.5  52.1  52.2 56564900     48.3
##  5 2016-01-08  52.4  53.3  52.2  52.3 48754000     48.4
##  6 2016-01-11  52.5  52.8  51.5  52.3 36943800     48.4
##  7 2016-01-12  52.8  53.1  52.1  52.8 36095500     48.8
##  8 2016-01-13  53.8  54.1  51.3  51.6 66883600     47.8
##  9 2016-01-14  52    53.4  51.6  53.1 52381900     49.1
## 10 2016-01-15  51.3  52.0  50.3  51.0 71820700     47.2
## # … with 914 more rows

Q2 How many columns (variables) are there?

There is 7 columns.

Q3 Interpret the second observation?

There is 924 rows.

Q4 What type of data are they? What are other basic data types in R?

Hint: Watch the video, “Basic Data Types”, in DataCamp: Introduction to R for Finance: Ch1 The Basics.

Numeric Data, Character, Logicals

Q5 Plot the adjusted closing price in a line chart.

Hint: Insert a new code chunk below and type in the code, using the ggplot() function above. Revise the code so that it maps adjusted to the y-axis, instead of close. For more information on the ggplot() function, refer to Ch2 Introduction to ggplot2 in one of our e-textbooks, Data Visualization with R.

Q6 From the chart you created in Q5, briefly describe how the Amazon stock has performed since the beginning of 2019.

Since the begining of 2019, Amazon stock has gone up.

Q7 Hide the messages and the code, but display results of the code from the webpage.

Hint: Use message, echo and results in the chunk options. Refer to the RMarkdown Reference Guide.

Q8 Hide the given code at the top and its results from the webpage.

Hint: Use eval in the chunk option. Refer to the RMarkdown Reference Guide.

Q9 Display the title and your name correctly at the top of the webpage.

Q10 Use the correct slug.