How to upload new Covariate data to an existing dataset?

The Upload Manager allows the user to upload new private covariate data to an existing dataset. Click the Covariate upload button in the Upload Manager view.
Then, select an existing species and dataset.
Finally, choose a covariate file in PLINK [1] format. Additional details about the Covariate file format can be found in the following FAQ.
The status of the upload can be monitored in the Upload Manager view.

[1] Purcell S, Neale B, Todd-Brown K, Thomas L, Ferreira MAR, Bender D, Maller J, Sklar P, de Bakker PIW, Daly MJ & Sham PC (2007) PLINK: a toolset for whole-genome association and population-based linkage analysis. American Journal of Human Genetics, 81.