https://community.jmp.com/t5/Discussions/Please-tell-me-how-do-I-interpret-the-results-of-cross/m-p/382228#M63292 <P>Your example is not a valid time series. The variable in the X role represents time, which should be strictly ascending and equally spaced values.</P> Tue, 04 May 2021 14:33:43 GMT Mark_Bailey 2021-05-04T14:33:43Z https://community.jmp.com/t5/Discussions/Please-tell-me-how-do-I-interpret-the-results-of-cross/m-p/381115#M63166 <P>First for sample data: go to help, select sample data library; inside the Time Series folder open SeriesJ.</P><P>Analyze&gt;Specialized Modeling&gt;TimeSeries</P><P>Put Output CO2 as the Y, Input Gas Rate as the X</P><P>From the Transfer Function red triangle select Cross Correlation.</P><P>&nbsp;</P><P>The result is a graph of the lag and cross-correlation functions.<BR />I can see that the cross-correlation function has the highest value at lag 5, indicating a negative correlation. How do I analyze whether this is statistically significant or not?</P><P>What do blue lines mean in the graph?</P><P>&nbsp;</P><P>#cross-correlation</P><P>&nbsp;</P> Fri, 09 Jun 2023 00:32:55 GMT https://community.jmp.com/t5/Discussions/Please-tell-me-how-do-I-interpret-the-results-of-cross/m-p/381115#M63166 9873313s 2023-06-09T00:32:55Z https://community.jmp.com/t5/Discussions/Please-tell-me-how-do-I-interpret-the-results-of-cross/m-p/382228#M63292 <P>Your example is not a valid time series. The variable in the X role represents time, which should be strictly ascending and equally spaced values.</P> Tue, 04 May 2021 14:33:43 GMT https://community.jmp.com/t5/Discussions/Please-tell-me-how-do-I-interpret-the-results-of-cross/m-p/382228#M63292 Mark_Bailey 2021-05-04T14:33:43Z