# Calculate NB-statistics quantifying differential expression for each gene

### Description

Calculate NB-statistics quantifying differential expression between two groups of samples compared.
The results will be used for GSEA run. Comparing with `DENBTest`

, this function will not
calculate NB test p-values.

This function only works with two-group comparison.

### Usage

1 | ```
DENBStat4GSEA(cds)
``` |

### Arguments

`cds` |
A CountDataSet object with size factors and dispersion parameters estimated. Recommended to take the output of |

### Value

A data frame containing each gene's expression means and variances in each group, and each gene's DE NB-statistics.

### Note

The results with the output of `DENBStatPermut4GSEA`

can also be used to run `DEpermutePval`

.

### Author(s)

Xi Wang, xi.wang@newcastle.edu.au

### References

Xi Wang and Murray J. Cairns (2013). Gene Set Enrichment Analysis of RNA-Seq Data: Integrating Differential Expression and Splicing. BMC Bioinformatics, 14(Suppl 5):S16.

### See Also

`DENBTest`

,
`runDESeq`

,
`DENBStatPermut4GSEA`

### Examples

1 2 3 4 5 6 |

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