Date can be used as a condition in the Excel functions SUMIF and COUNTIF. But there can be some problems. I show you examples. Continue reading “SUMIF and COUNTIF with date” »
Pareto principle is formulated as: 80% of the consequences (eg profit or number of rejects) comes from 20% of causes. It can be used in different sectors of human activity (eg, economy, quality of production). We will construct a graph that will show us the major causes. Continue reading “Pareto Analysis in Excel (part 1)” »
I prepared two ways to solve this problem. The first uses values in a new column and the second uses array formula. Both have their advantages.
Table in the picture below contains information about the success of students making 3 exams. Value “Yes” means he passed, value “No” means he did not pass. Student should have value “Yes” in each column to pass all exams.
How many students pass all of exams? The question is, how to count rows having value “Yes” in column B or C or D. Continue reading “Number of rows that (not) contain a specific value” »