Correlative Plot problem

hi dear @marpet, I want to make a correlative plot between LST and NDVI in SNAP, but in the Data field, I cant choose anything. how can I fix it?

If both rasters are within one product the scatter plot is what you need.
The correlative plot needs a point file with values of one variable stored in a column.

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Thanks, Mr @ABraun
I did a scatter plot but I want to use the regression line.
how can I make it? should I export ex. NDVI Values to another file?
I using NDVI and LST product from level 2 SLSTR data

The same issue was recently discussed here, please have a look: Incident angle of each pixel of Sentinel - 1A

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