keysAreUnique: Check uniqueness of rows with respect to keys.
In WinVector/replyr: Patches to Use 'dplyr' on Remote Data Sources
Description
Usage
Arguments
Value
See Also
Examples
Description
Can be an expensive operation.
Usage
1
keysAreUnique(tDesc)
Arguments
tDesc
description of tables, from tableDescription (and likely altered by user).
Value
logical TRUE if keys are unique
See Also
Examples
1
2
3
4
5
6
d <- data.frame(x=c(1,1,2,2,3,3), y=c(1,2,1,2,1,2))
tDesc1 <- tableDescription('d1', d)
tDesc2 <- tableDescription('d2', d)
tDesc <- rbind(tDesc1, tDesc2)
tDesc$keys[[2]] <- c(x='x')
keysAreUnique(tDesc)
WinVector/replyr documentation built on Oct. 22, 2020, 8:07 p.m.
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Description Usage Arguments Value See Also Examples
Description
Can be an expensive operation.
Usage
1 | keysAreUnique(tDesc)
|
Arguments
tDesc |
description of tables, from |
Value
logical TRUE if keys are unique
See Also
Examples
1 2 3 4 5 6 | d <- data.frame(x=c(1,1,2,2,3,3), y=c(1,2,1,2,1,2))
tDesc1 <- tableDescription('d1', d)
tDesc2 <- tableDescription('d2', d)
tDesc <- rbind(tDesc1, tDesc2)
tDesc$keys[[2]] <- c(x='x')
keysAreUnique(tDesc)
|
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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