fill.missing: Fill missing values in an xts object

In freysimon/TigR: A collection of more or less usefull R functions

Fill missing values in an xts object

Description

Fill missing entries in an xts object using nalocf or, alternatively, with an constant value

Usage

fill.missing(
  x,
  start = NULL,
  end = NULL,
  steps = "hour",
  fill = TRUE,
  na.value = NA
)

Arguments

x	an xts object
start	NULL or an POSIXct object. If NULL, the first index of x will be used
end	NULL or an POSIXct object. If NULL, the last index of x will be used
steps	increment of the sequence. See ‘Details’
fill	logical. If TRUE missing entries are filled using nalocf, else missing entries are filled with na.value
na.value	numeric or NA. Used for filling missing entries if fill == FALSE

Details

steps can be a character string, containing one of "sec", "min", "hour", "day", "DSTday", "week", "month", "quarter" or "year". Default is "hour"

Value

an xts object

Author(s)

Simon Frey

See Also

missing.steps

Examples

data("runoff")
# delete a row to make the time series irregulat
runoff.missing <- runoff[-4,]
# fill missing timesteps
runoff.filled <- fill.missing(runoff.missing)
### fill with -0.01
runoff.filled <- fill.missing(runoff.missing, fill = FALSE, na.value = -0.01)

freysimon/TigR documentation built on April 20, 2024, 9:28 p.m.