I have seen a similar question to Counting points in polygon using weight and class simultaneously, but I was unable to operationalize the answer that I found so far.
I have a point layer with attribute values by groups that I would like to assign to the cells of a grid layer as sums of the different groups.
Ideally, I would receive one column for each group with the summed values of the group that are contained within the grid cells. How can achieve that?
I was going to try a suggestion involving virtual layers, but didn't fully understand which specific parts of the suggested code would need to be replaced with my layer names.