Call specific rows of a table then choose rows that has specific criteria in those rows .

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Zeynab Mousavikhamene 2019-8-30

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https://ww2.mathworks.cn/matlabcentral/answers/478308-call-specific-rows-of-a-table-then-choose-rows-that-has-specific-criteria-in-those-rows

回答： Guillaume 2019-8-30

采纳的回答： Guillaume

I want to say for each radius celltracker_group2.time == 10 if radius<=3 and cell_type==4 then GroupCount=GroupCoutn+1.

Any help?

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Answer 1

Guillaume 2019-8-30

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I want to say for each radius celltracker_group2.time == 10 if radius<=3 and cell_type==4 then GroupCount=GroupCoutn+1

Easily done:

selectedrows = celltracker_group2.time == 10 & celltracker_group2.radius <= 3 & celltracker_group2.celltype == 4;  %logical vector indicating which rows match the condition
celltracker_group2.GroupCount(selectedrows) = celltracker_group2.GroupCount(selectedrows) + 1;  %add 1 to groupcount of the rows that match the condition