Create a simple filter like:
app.filter('true_false', function() {
return function(text, length, end) {
if (text) {
return 'Yes';
}
return 'No';
}
});
and use it in your cellTemplate (or wherever you want):
cellTemplate: '<div class="ngCellText">{{row.getProperty(col.field) | true_false}}</div>'
Here is a Plunker