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Keep above value if difference below threshold
I want Power Query to generate the output column based on the input column and a threshold constant (=0.9 in below example). The first output value is the first input value and then output value is e...
= #table({"Input","Output"},List.Accumulate(PreviousStepName[Input],{},(x,y)=>if x={} then {{{y,y}},y} else if y<=x{1}*0.9 then {x{0}&{{y,y}},y} else {x{0}&{{y,x{1}}},x{1}}){0})
= #table({"Input","Output"},List.Accumulate(PreviousStepName[Input],{},(x,y)=>if x={} then {{{y,y}},y} else if y<=x{1}*0.9 then {x{0}&{{y,y}},y} else {x{0}&{{y,x{1}}},x{1}}){0})