llowing items:</p><ul><li><p><code>instance</code> - alias for the problem instance considered</p></li>
<li><p><code>Xk</code> - list of observed performance values for all <code>algorithms</code></p></li>
<li><p><code>Nk</code> - vector of sample sizes generated for each algorithm</p></li>
<li><p><code>Diffk</code> - data frame with point estimates, standard errors and
other information for all algorithm pairs of interest</p></li>
<li><p><code>seed</code> - seed used for the PRNG</p></li>
<li><p><code>dif<