<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:13px"><div id="yui_3_16_0_1_1444287423677_2744"><span>Hi,</span></div><div id="yui_3_16_0_1_1444287423677_2744"><span><br></span></div><div id="yui_3_16_0_1_1444287423677_2744"><span id="yui_3_16_0_1_1444287423677_2798">Can anyone help me to explain what does the 'average' at the line if isempty (average) in ft_realtime_average refer to?</span></div><div id="yui_3_16_0_1_1444287423677_2744" dir="ltr"><span id="yui_3_16_0_1_1444287423677_2843">Because when I'm using the function ft_realtime_average, an error of 'Undefined variable of average' is shown.</span></div><div id="yui_3_16_0_1_1444287423677_2744" dir="ltr"><span id="yui_3_16_0_1_1444287423677_2868">I'm doing the realtime processing. </span></div><div id="yui_3_16_0_1_1444287423677_2744" dir="ltr"><span><br></span></div><div id="yui_3_16_0_1_1444287423677_2744" dir="ltr"><span>Thank you.</span></div><div></div><div id="yui_3_16_0_1_1444287423677_2768"> </div><div class="signature" id="yui_3_16_0_1_1444287423677_2770"><div id="yui_3_16_0_1_1444287423677_2769">Regards,</div><div id="yui_3_16_0_1_1444287423677_2771">Wan Amirah binti W Azlan,</div><div id="yui_3_16_0_1_1444287423677_2917">Postgraduate student,
</div><div id="yui_3_16_0_1_1444287423677_2918">Universiti Teknikal Malaysia Melaka,</div><div>Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, </div><div id="yui_3_16_0_1_1444287423677_2919">Malaysia.
</div><div>Tel (H/P): +60193702134</div></div></div></body></html>