Description Usage Arguments Value Author(s) References See Also Examples
The formula is simply:
overall.rate = prices[length(prices)] / prices[1] - 1
. If
units.rate
is specified, then it converts to x-unit growth rate.
1 | prices.rate(prices, units.rate = NULL, nas = FALSE)
|
prices |
Numeric vector of stock prices or investment balances. |
units.rate |
Number of units for growth rate calculation. If unspecified, function returns
total growth. To get annualized growth rate, set to 252 if |
nas |
If |
Numeric value indicating the growth rate.
Dane R. Van Domelen
Acknowledgment: This material is based upon work supported by the National Science Foundation Graduate Research Fellowship under Grant No. DGE-0940903.
1 2 3 4 5 6 7 8 9 10 11 | # Create vector of daily closing prices for a hypothetical stock
prices <- c(100.4, 98.7, 101.3, 101.0, 100.9)
# Overall growth is 0.50%
prices.rate(prices)
# Average daily growth is 0.12%
prices.rate(prices, 1)
# Corresponds to 36.6% annualized growth
prices.rate(prices, 252)
|
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