Compare old and new portfolios
Great work. You decide to buy stocks in Coca-Cola, and now your portfolio is made of equal proportions of four stocks: Yahoo, Microsoft, Apple and Coca-Cola.
In this exercise, you are given a dataset old.vs.new.portfolio with the following self-explanatory columns:
old.portfolio.valuenew.portfolio.valueold.portfolio.rtnnew.portfolio.rtn
This exercise is part of the course
Visualizing Time Series Data in R
Exercise instructions
- Plot the old portfolio value, then add the new portfolio value onto the same chart; make the old portfolio black and the new one red
- Plot the density of the old portfolio returns, then add the density of the new portfolio returns on the same chart; make the old portfolio black and the new one red
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Plot new and old portfolio values on same chart
# Plot density of the new and old portfolio returns on same chart