In this exercise you will learn to plot data using the ggplot2 package. To answer the questions below, use 4.1 Categorical vs. Categorical from Data Visualization with R.

## # A tibble: 22,230 x 8
## # Groups:   symbol [3]
##    symbol date        open  high   low close   volume adjusted
##    <chr>  <date>     <dbl> <dbl> <dbl> <dbl>    <dbl>    <dbl>
##  1 AAPL   1990-01-02  1.26  1.34  1.25  1.33 45799600    1.08 
##  2 AAPL   1990-01-03  1.36  1.36  1.34  1.34 51998800    1.09 
##  3 AAPL   1990-01-04  1.37  1.38  1.33  1.34 55378400    1.10 
##  4 AAPL   1990-01-05  1.35  1.37  1.32  1.35 30828000    1.10 
##  5 AAPL   1990-01-08  1.34  1.36  1.32  1.36 25393200    1.11 
##  6 AAPL   1990-01-09  1.36  1.36  1.32  1.34 21534800    1.10 
##  7 AAPL   1990-01-10  1.34  1.34  1.28  1.29 49929600    1.05 
##  8 AAPL   1990-01-11  1.29  1.29  1.23  1.23 52763200    1.00 
##  9 AAPL   1990-01-12  1.22  1.24  1.21  1.23 42974400    1.00 
## 10 AAPL   1990-01-15  1.23  1.28  1.22  1.22 40434800    0.997
## # … with 22,220 more rows
## # A tibble: 90 x 3
## # Groups:   symbol [3]
##    symbol yearly.returns  year
##    <chr>           <dbl> <dbl>
##  1 AAPL           0.169   1990
##  2 AAPL           0.323   1991
##  3 AAPL           0.0691  1992
##  4 AAPL          -0.504   1993
##  5 AAPL           0.352   1994
##  6 AAPL          -0.173   1995
##  7 AAPL          -0.345   1996
##  8 AAPL          -0.371   1997
##  9 AAPL           2.12    1998
## 10 AAPL           1.51    1999
## # … with 80 more rows

Q1 Calculate mean yearly returns for each stock.

Q2 Plot mean yearly returns using bar charts.

Hint: See the code in 4.3.1 Bar chart (on summary statistics).

Q3 Label the bars with mean yearly returns.

Q4 Plot the distribution of yearly returns by stock using kernel density plots.

Hint: See the code in 4.3.2 Grouped kernel density

Q5 Which of the three stocks has highest chance of losing big when things go wrong? Discuss your reason.

IMB because it is the highest priced stock out of the three. IMB’s invenstors have the most to lose when the stock fails.

Q6 Plot the distribution of yearly returns by stock using boxplots.

Hint: See the code in 4.3.3 Box plots.

Q7 If you were a risk-loving investor (defined as one chasing after the greatest returns even at the risk of losing big), which of the three stocks would you choose? Discuss your reason.

IMB becasue it has the potential to be the highest stock out of the three

Q8 Hide the messages, but display the code and their results from the webpage.

Hint: Use message, echo and results in the global chunk options. 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.