<div><div dir="auto">Hi Mengxue</div></div><div><div class="gmail_quote"><div dir="ltr"><br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div>   I have used the "L3RateTracer" to keep track of router statistics. I wonder how to deal with the obtained data to calculate the satisfaction ratio: (1)first  calculate the satisfaction ratio of each consumer and then obtain the average of all the consumers,  or (2) first calculate sum of the sent out Interests and sum of received Data of all the consumers and then perform division operations.</div></div></div></blockquote><div dir="auto"><br></div><div dir="auto">These two formulas will give very different results. Use your statistics knowledge to decide which one makes more sense.</div><div dir="auto">Reference: <a href="https://www.robertoreif.com/blog/2018/1/7/why-you-should-be-careful-when-averaging-percentages">https://www.robertoreif.com/blog/2018/1/7/why-you-should-be-careful-when-averaging-percentages</a></div><div dir="auto"><br></div><div dir="auto">Yours, Junxiao</div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div></div></div></div></blockquote></div></div>