Publications by Tim Mulholland
Quiz 1
Use the given code below to answer the questions. ## Load package library(tidyverse) # for cleaning, plotting, etc library(tidyquant) # for financial analysis ## Import data stocks <- tq_get("AAPL", get = "stock.prices", from = "2016-01-01") stocks ## # A tibble: 1,033 x 7 ## date open high low close volume adjusted ## <date> ...
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Mock Quiz 1
Use the given code below to answer the questions. Q1 Get Walmart 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 Walmart. You may find the ticker symbol for Microsoft from Yahoo Finance. ## # A tibble: 1,025 x 7 ## date open high...
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My First RMarkdown with Code
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. ## Load package library(tidyverse) # for cleaning, p...
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My First Publication
Q1 What is R? R is a program used to code and analyze data Q2 What is RStudio? The platform used to run R Q3 What is R packages? Add ons used for different functions in R Hint: Type your answer in bold. Note: For help with RMarkdown syntax, go Help > Cheatsheets > R Markdown Reference Guide. Q4 Add a code chunk. ...
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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. Q1 Plot the distribution of daily returns by stock using kernel density plots. Hint: See the code in 4.3.2 Grouped kernel density plots. Q2 Plot the distribution of dail...
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Quiz 1
Q1 What is R? R is a computer programming language used to analyze data. Q2 What is RStudio? Rstudio is an interface to R Q3 What is R packages? R packages are a group of downloadable functions and data sets. ##Q4 How about code? summary(cars) ...
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Quiz 1
# Load packages library(tidyquant) library(tidyverse) # for count() function # Import S&P500 Stock Index SP500 <- tq_index("SP500") SP500 ## # A tibble: 505 x 8 ## symbol company identifier sedol weight sector shares_held local_currency ## <chr> <chr> <chr> <chr> <dbl> <chr> <dbl> <chr> ## 1 AAP...
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Quiz 2
In this exercise, use Chapter 4.2 Quantitative vs. Quantitative Data Visualization with R. # Load packages library(tidyquant) library(tidyverse) # Import stock prices stock_prices <- tq_get(c("AAPL", "MSFT", "AMZN"), get = "stock.prices", from = "2020-01-01") # Calculate daily returns stock_returns <- stock_prices %>% group_by(...
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Quiz3
# Load packages library(tidyquant) library(tidyverse) Q1 dividends Import dividends of Costco and Target since 2000. stock_div <- tq_get(c("COST", "TGT"), get = "dividends", from = "2000-01-01") stock_div ## # A tibble: 152 x 3 ## symbol date value ## <chr> <date> <dbl> ## 1 COST ...
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Quiz 4
Witht the given stock, conduct the Bollinger Bands analysis by answering the questions below. ## Loading required package: lubridate ## ## Attaching package: 'lubridate' ## The following objects are masked from 'package:base': ## ## date, intersect, setdiff, union ## Loading required package: PerformanceAnalytics ## Loading required pack...
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