createNLN: Create a R CRAN package TTR function without the Leading NA...

In AndreMikulec/econModel: Meaningful Social and Economic Data from ALFRED and elsewhere

Description

Non-Leading NAs (NLN). Work-around of R CRAN package TTR functions: Error in runSum(x, n) : Series contains non-leading NAs.

Usage

createNLN(x, f, ...)

Arguments

x	Default none. Required. Single column xts data.
f	Default none. Required. TTR function.
...	Dots passed to f.

Value

modified x

Examples

## Not run: 
x <- xts::xts(c(NA,1,2,4,NA), zoo::as.Date(0:4))
SMA <- createNLN(x, f = TTR::SMA)
SMA(x, n = 2)
V1nln.SMA.n.2
1970-01-01            NA
1970-01-02            NA
1970-01-03           1.5
1970-01-04           3.0
1970-01-05           0.0

x <- xts::xts(c(NA,10,20,40,NA), zoo::as.Date(0:4))

SMA(x, n = 2)
V1nln.SMA.n.2
1970-01-01            NA
1970-01-02            NA
1970-01-03            15
1970-01-04            30
1970-01-05             0


## End(Not run)

AndreMikulec/econModel documentation built on June 30, 2021, 9:48 a.m.