colCum
From timeSeries v3022.101.2
by Tobias Setz
Cumulated Column Statistics
Functions to compute cumulative column statistics.
- Keywords
- univar
Usage
"colCumsums"(x, na.rm = FALSE, ...)
"colCummaxs"(x, na.rm = FALSE, ...)
"colCummins"(x, na.rm = FALSE, ...)
"colCumprods"(x, na.rm = FALSE, ...)
"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
"matrix"
, or"timeSeries"
. - ...
- arguments to be passed.
Value
- all functions return an S4 object of class
timeSeries
.Examples
library(timeSeries)
## Simulated Return Data -
x = matrix(rnorm(24), ncol = 2)
## Cumulative Sums Column by Column -
colCumsums(x)
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