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data-mining/index.html

@@ -362,15 +362,15 @@ <h4 id="example_4">Example</h4>
 36 rows in set (0.00 sec)
 </code></pre>
 <h2 id="functions">Functions</h2>
-<h3 id="eval_array_count"><code>EVAL_ARRAY_COUNT()</code></h3>
-<p>Average count of an evaluation feature.</p>
+<h3 id="eval_array_steinitz"><code>EVAL_ARRAY_STEINITZ()</code></h3>
+<p>Steinitz evaluation as per the docs at <a href="https://chesslablab.github.io/php-chess/heuristics/#evaluation-function">Evaluation Function</a>.</p>
 <h4 id="res"><code>res</code></h4>
 <p>The result of the game.</p>
 <h4 id="i"><code>i</code></h4>
 <p>The index of the PHP Chess function being used in the <a href="https://github.com/chesslablab/chess-data/blob/main/cli/mine/heuristics.php">cli/mine/heuristics.php</a> script.</p>
 <pre><code class="language-sql">DELIMITER //
-DROP FUNCTION IF EXISTS EVAL_ARRAY_COUNT//
-CREATE FUNCTION EVAL_ARRAY_COUNT(res VARCHAR(7), i INT) RETURNS FLOAT
+DROP FUNCTION IF EXISTS EVAL_ARRAY_STEINITZ//
+CREATE FUNCTION EVAL_ARRAY_STEINITZ(res VARCHAR(7), i INT) RETURNS FLOAT
 READS SQL DATA
 DETERMINISTIC
 BEGIN
@@ -410,24 +410,23 @@ <h4 id="i"><code>i</code></h4>
 END//
 DELIMITER ;
 </code></pre>
-<p>The example below returns the average count of the center evaluation of all games won with the white pieces.</p>
-<pre><code class="language-text">mysql&gt; SELECT ROUND(EVAL_ARRAY_COUNT('1-0', 1), 2) as center_count;
-+--------------+
-| center_count |
-+--------------+
-|        25.28 |
-+--------------+
-1 row in set (0.19 sec)
+<pre><code class="language-text">mysql&gt; SELECT ROUND(EVAL_ARRAY_STEINITZ('1-0', 1), 2) as center_steinitz;
++-----------------+
+| center_steinitz |
++-----------------+
+|           25.28 |
++-----------------+
+1 row in set (0.21 sec)
 </code></pre>
-<h3 id="eval_array_sum"><code>EVAL_ARRAY_SUM()</code></h3>
-<p>Average sum of an evaluation feature.</p>
+<h3 id="eval_array_mean"><code>EVAL_ARRAY_MEAN()</code></h3>
+<p>Mean evaluation as per the docs at <a href="https://chesslablab.github.io/php-chess/heuristics/#evaluation-function">Evaluation Function</a>.</p>
 <h4 id="res_1"><code>res</code></h4>
 <p>The result of the game.</p>
 <h4 id="i_1"><code>i</code></h4>
 <p>The index of the PHP Chess function being used in the <a href="https://github.com/chesslablab/chess-data/blob/main/cli/mine/heuristics.php">cli/mine/heuristics.php</a> script.</p>
 <pre><code class="language-sql">DELIMITER //
-DROP FUNCTION IF EXISTS EVAL_ARRAY_SUM//
-CREATE FUNCTION EVAL_ARRAY_SUM(res VARCHAR(7), i INT) RETURNS FLOAT
+DROP FUNCTION IF EXISTS EVAL_ARRAY_MEAN//
+CREATE FUNCTION EVAL_ARRAY_MEAN(res VARCHAR(7), i INT) RETURNS FLOAT
 READS SQL DATA
 DETERMINISTIC
 BEGIN
@@ -467,14 +466,13 @@ <h4 id="i_1"><code>i</code></h4>
 END//
 DELIMITER ;
 </code></pre>
-<p>The example below returns the average sum of the center evaluation of all games won with the white pieces.</p>
-<pre><code class="language-text">mysql&gt; SELECT ROUND(EVAL_ARRAY_SUM('1-0', 1), 2) as center_sum;
-+------------+
-| center_sum |
-+------------+
-|       24.2 |
-+------------+
-1 row in set (0.18 sec)
+<pre><code class="language-text">mysql&gt; SELECT ROUND(EVAL_ARRAY_MEAN('1-0', 1), 2) as center_mean;
++-------------+
+| center_mean |
++-------------+
+|        24.2 |
++-------------+
+1 row in set (0.19 sec)
 </code></pre></div>
             </div>
         </div>

index.html

@@ -240,5 +240,5 @@ <h4 class="modal-title" id="keyboardModalLabel">Keyboard Shortcuts</h4>
 
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