changed value to compare to missingFloat variable

Author: ericahin

core/src/processing/data/Table.java

@@ -4819,7 +4819,7 @@ protected float getMaxFloat() {
     for (int row = 0; row < getRowCount(); row++) {
       for (int col = 0; col < getColumnCount(); col++) {
         float value = getFloat(row, col);
-        if (!Float.isNaN(value)) {  // TODO no, this should be comparing to the missing value
+        if (Float.compare(value, missingFloat) != 0) { //value now compares to missingFloat variable
           if (!found) {
             max = value;
             found = true;