Functions_for_Permutation: Helper Functions for Permutation

Description Usage Arguments Details Value Author(s) Examples

Description

The functions adapted from packages globaltest and GlobalAncova.

Usage

1
2
3
4
5
6
7
8
9
.mchoose(counts)

.nPermsG(counts, grouping)

.nPerms(D.full, model.dat, formula.full)

.allpermsG(counts, grouping)

.allperms(nums) 

Arguments

counts

Counts.

grouping

Indices for the group.

D.full

Designmatrix from the full model.

model.dat

Dataset with covariables.

formula.full

Formula from the full model.

nums

Indices to be permuted.

Details

The function .mchoose calculates the number of permutations.

The function .nPermsG calculates the number of permutations for multiple groups.

The function .nPerms calculates the number of permutations from the designmatrix.

The function .allpermsG lists all permutations for the multiple-group case.

The function .allperms lists all permutations for the continuos case.

Value

.mchoose

A number.

.nPermsG

A number.

.nPerms

Number of permutations (nPerms) and a vector which counts same rows of the designmatrix (counts).

.allpermsG

A matrix.

.allperms

A matrix (nums x nums!).

Author(s)

Frederike Fuhlbrueck [email protected]

Examples

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
## Not run: 
### Examples
# Number of permutations
.mchoose(1:3)               # or choose(sum(1:3), 1) * choose(sum(2:3), 2)

# Number of permutations for multiple groups
.nPermsG(1:3, c(1, 1, 2))

# Number of permutations from the designmatrix
D.full<-t(matrix(c(1:9, 1:3), 3, 4))
model.dat<-matrix(c(1,0,0,1,0,1,0,0), 4, 2)
colnames(model.dat)<-c("A", "B")
formula.full<-~A+B
.nPerms(D.full, model.dat, formula.full)

# All permutations for the multiple-group case
.allpermsG(c(2, 1, 2), c(1, 1, 2)) 

# All permutations for the continuos case
.allperms(1:3)

## End(Not run)

GlobalDeviance documentation built on May 30, 2017, 3:01 a.m.