new_hstore: Create a empty hstore
In postGIStools: Tools for Interacting with 'PostgreSQL' / 'PostGIS' Databases
Description
Usage
Arguments
Value
See Also
Examples
Description
This function creates an empty list of lists, which can be appended to a
data frame as a hstore column.
Usage
1
new_hstore(nr)
Arguments
nr
Number of records.
Value
A empty hstore (list of lists) of length nr.
See Also
%->% to read or edit the resulting data structure.
Examples
1
2
3
4
5
contacts <- data.frame(name = c("Anne", "Bert", "Chris"))
contacts$phone <- new_hstore(3)
contacts$phone %->% "home" <- c("555-123-4567", "555-923-9134", "555-276-1123")
contacts$phone[2] %->% "cell" <- "555-889-9134"
str(contacts)
postGIStools documentation built on Sept. 20, 2019, 5:04 p.m.
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Description Usage Arguments Value See Also Examples
Description
This function creates an empty list of lists, which can be appended to a data frame as a hstore column.
Usage
1 | new_hstore(nr)
|
Arguments
nr |
Number of records. |
Value
A empty hstore (list of lists) of length nr.
See Also
%->% to read or edit the resulting data structure.
Examples
1 2 3 4 5 | contacts <- data.frame(name = c("Anne", "Bert", "Chris"))
contacts$phone <- new_hstore(3)
contacts$phone %->% "home" <- c("555-123-4567", "555-923-9134", "555-276-1123")
contacts$phone[2] %->% "cell" <- "555-889-9134"
str(contacts)
|
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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