colCum {timeSeries} | R Documentation |
Cumulated Column Statistics
Description
Functions to compute cumulative column statistics.
Usage
## S4 method for signature 'timeSeries'
colCumsums(x, na.rm = FALSE, ...)
## S4 method for signature 'timeSeries'
colCummaxs(x, na.rm = FALSE, ...)
## S4 method for signature 'timeSeries'
colCummins(x, na.rm = FALSE, ...)
## S4 method for signature 'timeSeries'
colCumprods(x, na.rm = FALSE, ...)
## S4 method for signature 'timeSeries'
colCumreturns(x, method = c("geometric", "simple"), na.rm = FALSE, ...)
Arguments
method |
a character string to indicate if geometric (TRUE) or simple (FALSE) returns should be computed. |
na.rm |
a logical. Should missing values be removed? |
x |
a time series, may be an object of class |
... |
arguments to be passed. |
Value
"matrix"
for the default methods of all functions,
"timeSeries"
for the "timeSeries"
methods
Examples
## Simulated Return Data -
x = matrix(rnorm(24), ncol = 2)
## Cumulative Sums Column by Column -
colCumsums(x)
[Package timeSeries version 4030.106 Index]