Q1. stock prices Import stock price of Facebook since 2010.

## # A tibble: 1,853 x 7
##    date        open  high   low close    volume adjusted
##    <date>     <dbl> <dbl> <dbl> <dbl>     <dbl>    <dbl>
##  1 2012-05-18  42.0  45    38    38.2 573576400     38.2
##  2 2012-05-21  36.5  36.7  33    34.0 168192700     34.0
##  3 2012-05-22  32.6  33.6  30.9  31   101786600     31  
##  4 2012-05-23  31.4  32.5  31.4  32    73600000     32  
##  5 2012-05-24  33.0  33.2  31.8  33.0  50237200     33.0
##  6 2012-05-25  32.9  33.0  31.1  31.9  37149800     31.9
##  7 2012-05-29  31.5  31.7  28.6  28.8  78063400     28.8
##  8 2012-05-30  28.7  29.5  27.9  28.2  57267900     28.2
##  9 2012-05-31  28.5  29.7  26.8  29.6 111639200     29.6
## 10 2012-06-01  28.9  29.2  27.4  27.7  41855500     27.7
## # … with 1,843 more rows

Q2. dividends Import dividends of Apple and Microsoft since 2010.

## # A tibble: 68 x 3
##    symbol date       dividends
##    <chr>  <date>         <dbl>
##  1 AAPL   2012-08-09    0.0541
##  2 AAPL   2012-11-07    0.0541
##  3 AAPL   2013-02-07    0.0541
##  4 AAPL   2013-05-09    0.0622
##  5 AAPL   2013-08-08    0.0622
##  6 AAPL   2013-11-06    0.0622
##  7 AAPL   2014-02-06    0.0622
##  8 AAPL   2014-05-08    0.0671
##  9 AAPL   2014-08-07    0.47  
## 10 AAPL   2014-11-06    0.47  
## # … with 58 more rows

Q3. Selct dividends of Apple.

Hint: See the code in 4.2.2 Line plot in the textbook.

## # A tibble: 29 x 3
##    symbol date       dividends
##    <chr>  <date>         <dbl>
##  1 AAPL   2012-08-09    0.0541
##  2 AAPL   2012-11-07    0.0541
##  3 AAPL   2013-02-07    0.0541
##  4 AAPL   2013-05-09    0.0622
##  5 AAPL   2013-08-08    0.0622
##  6 AAPL   2013-11-06    0.0622
##  7 AAPL   2014-02-06    0.0622
##  8 AAPL   2014-05-08    0.0671
##  9 AAPL   2014-08-07    0.47  
## 10 AAPL   2014-11-06    0.47  
## # … with 19 more rows

Q4. Plot the relaionship between time (date) and dividends of Apple?

Hint: See the code in 4.2.2 Line plot in the textbook.

Q5. Discuss the recent trend of Apple’s dividends.

Since 2014, Apple’s dividends first shot way up and then has had a steady increase for a span of the last five years.

Q6. economic data Import U.S. civilian unemployment rate (seasonally adjusted).

Hint: Find the symbol in FRED.

## # A tibble: 128 x 2
##    date       price
##    <date>     <dbl>
##  1 2009-01-01   7.8
##  2 2009-02-01   8.3
##  3 2009-03-01   8.7
##  4 2009-04-01   9  
##  5 2009-05-01   9.4
##  6 2009-06-01   9.5
##  7 2009-07-01   9.5
##  8 2009-08-01   9.6
##  9 2009-09-01   9.8
## 10 2009-10-01  10  
## # … with 118 more rows

Q7. exchange rates Import exchange rate between the U.S. dollar and the Japanese yen.

Hint: Find the symbol in oanda.com.

## Warning: Oanda only provides historical data for the past 180 days. Symbol:
## USD/JPY
## # A tibble: 180 x 2
##    date       exchange.rate
##    <date>             <dbl>
##  1 2019-04-04          111.
##  2 2019-04-05          112.
##  3 2019-04-06          112.
##  4 2019-04-07          112.
##  5 2019-04-08          111.
##  6 2019-04-09          111.
##  7 2019-04-10          111.
##  8 2019-04-11          111.
##  9 2019-04-12          112.
## 10 2019-04-13          112.
## # … with 170 more rows

Q8 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.

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

Q10 Use the correct slug.