# ~~ Methods for Function pTwoSided ~~

### Description

This function returns the two-sided p-value for the corresponding `GeneSet`

or a list of p-values for a `GeneSetCollection`

.
This method is applicable for all three approximation methods.

### Usage

1 | ```
pTwoSided(object)
``` |

### Arguments

`object` |
An object of type |

### Methods

`signature(object = "npGSEAResultNorm")`

Returns a two-sided p-value for a

`npGSEAResultNorm`

object`signature(object = "npGSEAResultBeta")`

Returns a two-sided p-value for a

`npGSEAResultBeta`

object`signature(object = "npGSEAResultChiSq")`

Returns a two-sided p-value for a

`npGSEAResultChiSq`

object`signature(object = "npGSEAResultNormCollection")`

Returns a list of left-sided p-values for a

`npGSEAResultNormCollection`

objects (1 for each set)`signature(object = "npGSEAResultBetaCollection")`

Returns a list of left-sided p-values for a

`npGSEAResultBetaCollection`

objects (1 for each set)`signature(object = "npGSEAResultChiSqCollection")`

Returns a list of two-sided p-values for a

`npGSEAResultChiSqCollection`

objects (1 for each set)

### Author(s)

Jessica L. Larson

### See Also

`npGSEAResultNorm`

-class, `pRight`

### Examples

1 2 3 4 5 6 7 | ```
set.seed(15)
yFactor <- as.factor( c(rep("treated", 5), rep("control", 5)) )
xData <- matrix(data=rnorm(length(letters)*10) ,nrow=length(letters), ncol=10)
rownames(xData) <- letters
geneSetABC15 <- GeneSet(geneIds=letters[1:15], setName="setABC15")
res <- npGSEA(x = xData, y = yFactor, set = geneSetABC15)
pTwoSided (res)
``` |

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