alert_marker: Alert Marker

In pverspeelt/Quantfunctions: Contains a diverse set of functions and indicators to add functionality to Quantmod, TTR and Quantstrat

Description

The alert marker was developed by Alexander Elder. The alert marker is part of the impulse system described in his book "Come Into My Trading Room" on pages 158-162.

Usage

alert_marker(x, n = 13)

Arguments

x	an xts object that contains OHLC data.
n	Number of periods for the ema period. Default is 13.

Value

returns an xts object with marker values.

See Also

Other Alexander Elder functions: safezone(), thermometer()

Examples

## Not run: 
library(quantmod)
ADM <- getSymbols("ADM", 
                  from = "2018-01-01", 
                  to = "2018-07-01", 
                  auto.assign = FALSE)
                  
chartSeries(ADM) 
markers <- alert_marker(ADM)

# define colours
cols <- ifelse(markers == quantmod::Hi(ADM), "green", "red")

addPoints(1:nrow(markers), markers, col= cols, pch=19, cex=0.5, on = 1)

## End(Not run)

pverspeelt/Quantfunctions documentation built on Oct. 10, 2021, 1:01 p.m.