#' Determine dark cloud cover pattern using a OHLC price series
#'
#' @param x OHLC prices.
#' @return TRUE if dark cloud cover pattern detected
#' @export
dark.cloud.cover<- function(x) {
Cl <- quantmod::Cl(x)
M <- CandleBodyCenter(x)
Lag.M <- quantmod::Lag(M)
U <- bullish.candle(x)
D <- bearish.candle(x)
Lag.U <- quantmod::Lag(U)
result <- xts::reclass(D &
Lag.U &
Cl <= Lag.M,
x)
colnames(result) <- "dark cloud cover"
return(result)
}
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