The Compare QTL Plots provides a quick and easy method for comparing results from multiple analyses. Output data sets from the

QTL IM, CIM and MIM Analysis process are merged into one data set containing

variables from the specified studies. The

QTL Test Size and

QTL Effect Size variables in the merged data set are overlaid on a single plot to facilitate the comparison of

QTL mapping results from different methods and/or

traits.

At least two Input SAS Data Sets are required. These include one

Base Input SAS Data Set and at least one or as many as twelve

Merge Input SAS Data Set (1-12). Both must contain containing

Testing Location variables and

QTL Test Size variables obtained from the

QTL IM, CIM and MIM Analysis process.

The qtlsf_im.sas7bdat base input data set is shown below:

In this data set, CM serves as the Key Testing Location variable and

LOD1 and

LOD2 serve as the Test Size variables.

The qtlsf_cim.sas7bdat merge input data set is shown below: