read.yearmon {FinTS} | R Documentation |
Reading Monthly zoo Series
Description
Read a text file containing monthly data with a date column and return a zoo object with index = a yearmon series with the dates read as names.
Usage
read.yearmon(file, format = "", tz = "", FUN = NULL, regular = FALSE,
index.column = 1, ...)
Arguments
file |
character giving the name of the file which the data
are to be read from/written to. See |
format |
date format argument passed to |
tz |
time zone argument passed to |
FUN |
a function for computing the index from the first column of the data. See details. |
regular |
logical. Should the series be coerced to class |
index.column |
integer. The column of the data frame in which the index/time is stored. |
... |
further arguments passed to |
Details
The arguments are as for read.zoo
:
TS <- read.zoo(...)
zoo(coredata(TS), as.yearmon2(index(TS)))
Value
an object of class "zoo"
or "zooreg"
.
See Also
read.table
,
zoo
,
read.zoo
,
coredata
,
index
,
as.yearmon2
Examples
## Not run:
## turn *numeric* first column into yearmon index
## where number is year + fraction of year represented by month
z <- read.zoo("foo.csv", sep = ",", FUN = as.yearmon2)
z2 <- read.yearmon("foo.csv", sep = ",")
## End(Not run)