helpString += "The design file looks like the group file. It is a 2 column tab delimited file, where the first column is the sample name and the second column is the group the sample belongs to.\n";
helpString += "The iters parameter allows you to set number of randomization for the P value. The default is 1000. \n";
helpString += "The homova command should be in the following format: homova(phylip=file.dist, design=file.design).\n";
helpString += "The design file looks like the group file. It is a 2 column tab delimited file, where the first column is the sample name and the second column is the group the sample belongs to.\n";
helpString += "The iters parameter allows you to set number of randomization for the P value. The default is 1000. \n";
helpString += "The homova command should be in the following format: homova(phylip=file.dist, design=file.design).\n";