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Lambda function that compares specified cells, returning a score if they match. #excel #lambda
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| =LAMBDA(answerCell, correctAnswerCell, scoreCell, | |
| IF(answerCell = "", | |
| "", | |
| IF(OR(scoreCell = "", scoreCell = "&"), | |
| "", | |
| LET(Z, LAMBDA(f, LET(g, LAMBDA(x, f(LAMBDA(v, LET(xx, x(x), xx(v))))), g(g))), | |
| countRightAmpersands, Z(LAMBDA(countRightAmpersands, LAMBDA(cell, | |
| LET(right, Offset(cell, 0, 1), | |
| IF(right = "&", | |
| countRightAmpersands(right) + 1, | |
| 0 | |
| ) | |
| ) | |
| ))), | |
| n, countRightAmpersands(scoreCell), | |
| answerRange, OFFSET(answerCell, 0, 0, 1, n + 1), | |
| correctAnswerRange, OFFSET(correctAnswerCell, 0, 0, 1, n + 1), | |
| IF(OR(answerCellRange = ""), | |
| "", | |
| IF(OR(correctAnswerCellRange = ""), | |
| NA(), | |
| IF(AND(answerCellRange = correctAnswerCellRange), | |
| scoreCell, | |
| 0 | |
| ) | |
| ) | |
| ) | |
| ) | |
| ) | |
| ) | |
| ) |
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