m->mothurOut("The pca command parameters are label, groups and metric. No parameters are required."); m->mothurOutEndLine();
m->mothurOut("The label parameter is used to analyze specific labels in your input. Default is the first label in your shared or relabund file. Multpile labels may be separated by dashes.\n");
m->mothurOut("The groups parameter allows you to specify which groups you would like analyzed. Groupnames are separated by dashes.\n");
m->mothurOut("The pca command parameters are label, groups and metric. No parameters are required."); m->mothurOutEndLine();
m->mothurOut("The label parameter is used to analyze specific labels in your input. Default is the first label in your shared or relabund file. Multpile labels may be separated by dashes.\n");
m->mothurOut("The groups parameter allows you to specify which groups you would like analyzed. Groupnames are separated by dashes.\n");