I have some data set i collected. I was asked to plot variance and can i plot variance over time. I have 100 data for 20 seconds.Is it possible to plot variance over time or only one variance ?
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It is possible to plot variance over time. For example, you can find the variance of data points 0 to 10, then 1 to 11, then 2 to 12... and then plot that against 0, 1, 2...

Everyone_Else
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i didnt get a little part why 0-10,1-11; is it like 0-10 ->0,11-20->2 like that ? – st20000428 Harith Aug 20 '15 at 18:17
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That's another possibility. You could have 10 time segments 0-10, 11-20, 21-30 ... that map to 0, 1, 2..., or you could have 100 time segments 0-10, 1-11, 2-12... that map to 0,1,2 ... Depending on what this is for, either choice is could be acceptable. – Everyone_Else Aug 20 '15 at 18:22
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Its for RF signal and i think 0-10, 11-20, 21-30 will be okay thanks – st20000428 Harith Aug 20 '15 at 18:32
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You're welcome! Don't forget to accept the answer if this solved your problem. – Everyone_Else Aug 20 '15 at 18:33