div class="page-header">
    <h1>An event study simple binomial sign test.</h1>
    <small class="dont-index">Source: <a href='https://github.com/irudnyts/estudy2/blob/master/R/nonparametric_tests.R'><code>R/nonparametric_tests.R</code></a></small>
    <div class="hidden name"><code>sign_test.Rd</code></div>
    </div>

    <div class="ref-description">
    <p>A binomial sign test which determines whether the frequency of positive
abnormal returns in the event period is significantly different from
one-half