use this code:
<label>
<input <?php if (!(strcmp((isset($_SESSION["WAVT_dailycurrent_507_Errors"])?ValidatedField("dailycurrent_507","HelpersYes"): $row_SavedReportRs['HelperYes']),"1"))) {echo "checked=\"checked\"";} ?> type="radio" name="HelpersYes" value="1" id="HelpersYes_0" />
Yes</label>
<label>
<input <?php if (!(strcmp((isset($_SESSION["WAVT_dailycurrent_507_Errors"])?ValidatedField("dailycurrent_507","HelpersYes"): $row_SavedReportRs['HelperYes']),"0"))) {echo "checked=\"checked\"";} ?> type="radio" name="HelpersYes" value="0" id="HelpersYes_1" />
No</label>