Rebase data handler for straw broom charts with Dygraph

Draw a straw broom chart.

Usage

dyRebase(dygraph, value = 100, percent = FALSE)

Arguments

dygraph

Dygraph to draw chart on

value

Value to rebase to

percent

If true, ingnore value argument and rebase to percentage difference

Value

Dygraph with specified straw broom chart

Examples

if (FALSE) { # \dontrun{
library(quantmod)
tickers <- c("AAPL", "MSFT")
getSymbols(tickers)
closePrices <- do.call(merge, lapply(tickers, function(x) Cl(get(x))))
dateWindow <- c("2008-01-01", "2009-01-01")
dygraph(closePrices, main = "Value", group = "stock") %>%
  dyRebase(value = 100) %>%
  dyRangeSelector(dateWindow = dateWindow)
dygraph(closePrices, main = "Percent", group = "stock") %>%
  dyRebase(percent = TRUE) %>%
  dyRangeSelector(dateWindow = dateWindow)
dygraph(closePrices, main = "None", group = "stock") %>%
  dyRangeSelector(dateWindow = dateWindow)
} # }