Users can upload ped and map files for analysis. Geological source or breed name for each individual may be defined in a sample information txt file. Please --download the example datasets-- and check the tutorial for detailed information about the file formats. The PED, MAP, and sample information files should be named with the suffix of “.ped”, “.map”, and “.txt”, respectively. Please note, users can upload a file with a maximum size of 50MB. Datasets larger than that should be uploaded via FTP or analyzed locally with the standalone package.
Please set the maximum number (K) of presumed populations. Genetic clustering will be performed under the assumptions of from 1 to K (e.g. 1, 2, 3, ..., K) ancestries. The optimal number of ancestries will have the minimum cross-validation error estimate. K should be an integer and slightly larger than the expected value (10 by default).
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Ancestral components for each cluster are displayed in the following table (Ancestry_1: the first largest ancestral population in the cluster; Avg. Q of Ancestry_1: the average fraction of Ancestry_1 in the cluster; Ancestry_2: the second largest ancestral population in the cluster; Avg. Q of Ancestry_2: the average fraction of Ancestry_2 in the cluster).
Sample clustering based on genomic ancestral compositions.
Optimal number of ancestors determined by cross-validation.
Sample clustering based on principal component analysis.
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Due to security concerns, the FTP functionality is temporarily disabled. If the file size is larger than 50MB, please use the standalone package