 class='va'>data</span>, label_location <span class='op'>=</span> <span class='fl'>0.5</span>, <span class='va'>...</span><span class='op'>)</span>

<span class='fu'>all_load</span><span class='op'>(</span><span class='va'>data</span>, <span class='va'>expr</span>, <span class='va'>...</span><span class='op'>)</span>

<span class='fu'>hide_load</span><span class='op'>(</span><span class='va'>data</span>, <span class='va'>...</span><span class='op'>)</span>

<span class='fu'>show_load</span><span class='op'>