Publications by Matt Bodi
Quiz 1_Makeup
## Load package library(tidyverse) # for cleaning, plotting, etc library(tidyquant) # for financial analysis Q1 Import Microsoft 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. Find ticker symbols from Yahoo Finance. ## Import data stocks <- t...
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Quiz 6
This note came from Matt Dancho’s webpage. Factor models are used in many financial appplications, suhc as: identifying the determinants of a security’s return cost of capital (rate of return required by an investor to hold the share) calculations Capital Asset Pricing Model (CAPM) is the most popular factor model. Although CAPM does not pe...
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Quiz 5
library(tidyquant) library(tidyverse) Q1 Import stock prices of NASDAQ Compsite Index, Microsoft and Walmart for the last 30 years. Hint: Add group_by(symbol) at the end of the code so that calculations below will be done per stock. # Import stock prices from = today() - years(30) Stocks <- tq_get(c("^IXIC", "WMT", "MSFT"), get = "stock.price...
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Quiz4
Q1 Import Tesla for the last ten months. Hint: Revise the given code below. library(tidyquant) library(tidyverse) # Import data from = today() - months(10) stock <- tq_get("TSLA", get = "stock.prices", from = from) stock ## # A tibble: 209 x 8 ## symbol date open high low close volume adjusted ## <chr> <date> <dbl> <dbl> <...
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Quiz-3a
Q1. dividends Import dividends of Apple and Microsoft since 2010. library(tidyquant) tq_get("WMT", get = "splits", from = "2010-01-01") Q2. economic data Import U.S. civilian unemployment rate (seasonally adjusted) since 2017. Hint: Find the symbol in FRED. tq_get("UNRATE", get = "economic.data", from = "2017-01-01...
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Quiz-3b
stock.prices economic.data Merge Plot Q1. stock.prices Import S&P500 since 1999. Hint: Google tidyquant::tq_get() to find example codes. Q2. Prepare the imported stock prices for merge. Hint: Calculate yearly returns; create a new variable, year; and drop date. Q3 economic.data Import real U.S. GDP growth since 2000. Hint: Find the symbol in ...
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Quiz 3
# Load packages library(tidyquant) library(tidyverse) library(dplyr) Q1 economic data Import the U.S. Industrial Production Index since 2010. Hint: Find the symbol in FRED. Production <- tq_get("INDPRO",get = "economic.data",from = "2010-01-01") Production ## # A tibble: 122 x 2 ## date price ## <date> <dbl> ## 1 2010-01-01 ...
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Quiz 2
In this exercise you will learn to plot data using the ggplot2 package. To answer the questions below, use Chapter 4.3 Categorical vs. Quantitative Data Visualization with R. # Load packages library(tidyquant) ## Loading required package: lubridate ## ## Attaching package: 'lubridate' ## The following object is masked from 'package:base': ## #...
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Introduction to ggplot2
# load data data(CPS85 , package = "mosaicData") ggplot # specify dataset and mapping library(ggplot2) ggplot(data = CPS85, mapping = aes(x = exper, y = wage)) geoms # add points ggplot(data = CPS85, mapping = aes(x = exper, y = wage)) + geom_point() # delete outlier library(dplyr) ## ## Attaching package: 'dplyr' ## The follo...
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Bivariate Graphs
In this exercise you will learn to plot data using the ggplot2 package. To answer the questions below, use Chapter 4.3 Categorical vs. Quantitative Data Visualization with R. # Load packages library(tidyquant) library(tidyverse) # Import stock prices stock_prices <- tq_get(c("AAPL", "MSFT"), get = "stock.prices", from = "2020-01-01") stock_pri...
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