merge: Combine 'zoocat' or 'zoomly' Objects by Columns

In ran-ran/zoocat: 'zoo' Objects with Column Attributes

Description

Combine "zoocat" or "zoomly" objects by columns.

Usage

## S3 method for class 'zoocat'
merge(..., all = TRUE, fill = NA, suffixes = NULL,
  check.names = FALSE, retclass = "zoocat", drop = TRUE)

cbind.zoocat(...)

Arguments

...	zoocat or zoomly objects.
all, fill, suffixes, check.names, retclass, drop	See details.

Details

merge.zoocat and merge.zoomly are the extensions of merge.zoo. For merge.zoocat, when combining cattr, some NA will be filled in if it is necessary.
The arguments all and fill are used same as in merge.zoo. The arguments suffixes, check.names, retclass and drop are not used.

Value

merge.zoocat will return a "zoocat" object. merge.zoomly will return a "zoomly" object.

Examples

x1 <- matrix(1 : 20, nrow = 5)
colAttr <- data.frame(month = c(2, 3, 5, 6), name = 'xxx')
zc1 <- zoocat(x1, order.by = 1991 : 1995, colattr = colAttr)
x2 <- x1 + 100
colAttr2 <- data.frame(modified = TRUE, month = c(4, 6, 7, 9))
zc2 <- zoocat(x2, order.by = 1991 : 1995, colattr = colAttr2)
merge(zc1, zc2)
merge(zc1, lag(zc2), fill = -999)
merge(zc1, lag(zc2), all = FALSE)
cbind(zc1, zc2)

ran-ran/zoocat documentation built on May 26, 2019, 10:56 p.m.