Summary Method

Select a method for summarizing the probeset.

Methods are described below:

Method	Description
None	Probe-level data is produced as the output data set.
Mean	The mean of intensities within a probeset is taken.
Median	The median of intensities within a probeset is taken.
Medianpolish	The median polish method is applied. This is the summary method in the RMA algorithm1.

---

1

Irizarry, R. A., Hobbs, B., Collin, F., Beazer-Barclay, Y. D., Antonellis, K. J., Scherf, U., Speed, T. P. (2003). Exploration, normalization, and summaries of high density

oligonucleotide array probe level data. Biostatistics 4:249-264.

To Specify a Summary Method:

Click the radio button corresponding to the desired method.