Question about graph

#1

What black lines on graph means?

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#2

They are at times when the values are zero (or possibly missing) so the colour is not filled in. Zoom in and you will see the gaps.

#3

Just an example:
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Data for selected time range:

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No gaps or zero values

#4

Zoom in closer, on one of the wide gaps, and have the two graphs with the same time scale please.

#5

Did that help at all?

#6

Hi,

1 Be sure in your database you are not missing data point.
2 On the graph setting ==> visualization ==> Stacking & Null value ==> Null value = connected

Regards,