JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.1.4/angular.js"></script>
<script src="http://angular-ui.github.io/bootstrap/ui-bootstrap-tpls-0.3.0.min.js"></script>
<link rel="stylesheet" href="http://twitter.github.io/bootstrap/assets/css/bootstrap.css">
<div ng-app="MyApp">
    <div ng-controller="EditingPageCtrl">
        <div class="btn-group" >
        <button ng-repeat="value in radioModelButtons" class="btn" type="button" ng-model="radioModel" btn-radio="'{{value}}'">{{value}}</button>
        </div>
    <p>{{radioModel}}</p>
</div>
</div>

JavaScript

angular.module('MyApp',['ui.bootstrap']);

function EditingPageCtrl($scope) {
	$scope.radioModel =  undefined;
	$scope.radioModelButtons = ["a", "b", "c"];
}