Plot Graphs - Periodicity Test
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Be aware that making the binning too fine will have negative affects on the statistical significance of your test resutlt.
This periodicity test will tell you if the data set you uploaded contains a peroidicty applying a so called Lomb-Scargle periodicity test. The normalized Lomb-Scargle power calculated here will tell you how significant the periodicity is (if present). The result will look like the following plot:
In general one can say: The higher a peak is encountered the more likley the data contains a periodicity. Be aware that the significance you obtain depends on the numer of frequencies you scan in your test since the Lomb-Scargle power follows a exponential distribution.
There are two ways to use this test. Either you upload a simple text file containing the data you want to check for periodicity or you enter the value pairs direclty in the form below. The data has to be submitted in a two column layout: The first column has to be the independent variable (X), the second colum the second column the dependent variable (Y):
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