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Cumulative row statistics

statistics-rowCumsums.Rd

Compute cumulative row statistics.

Usage

# S4 method for ANY
rowCumsums(x, na.rm = FALSE, ...)
# S4 method for timeSeries
rowCumsums(x, na.rm = FALSE, ...)

Arguments

x

a time series, may be an object of class "matrix" or "timeSeries".

na.rm

a logical. Should missing values be removed?

...

arguments to be passed.

Value

for the default method, a matrix,

for the "timeSeries" method, an S4 object of class "timeSeries".

See also

colCumXXX

Examples

## Simulated Monthly Return Data - 
   X = matrix(rnorm(24), ncol = 2)
     
## Compute cumulated Sums -
   rowCumsums(X)  
#>              [,1]       [,2]
#>  [1,]  0.37811452 -1.9438833
#>  [2,]  1.21417980  1.4494039
#>  [3,]  0.79483540  1.8357962
#>  [4,]  0.44748585  0.6263650
#>  [5,]  0.02806906  1.2087300
#>  [6,]  0.67964150  1.1739693
#>  [7,]  0.96136088  1.2564244
#>  [8,] -0.16347488  0.9412349
#>  [9,] -0.42564936 -2.3020616
#> [10,] -1.41569456 -1.8622381
#> [11,] -0.27908161  0.6510722
#> [12,] -0.73436941 -1.1184703