aggregate-function – CodeRavo

Conditional Counting in SQL

Conditional Counting in SQL The COUNT() function in SQL is a powerful tool for determining the … Conditional Counting in SQLRead more

aggregate-function, CASE statement, conditional-counting, count, countif, database, Filter, query, SQL, sum

Grouping and Summing Data in R

In data analysis, it’s often necessary to group data by one or more variables and calculate … Grouping and Summing Data in RRead more

aggregate-function, Data Grouping, data-table-package, dplyr-package, R programming, summarizing-data, tapply-function

Combining and Aggregating Numerical Data in SQL

SQL provides powerful ways to manipulate numerical data within queries. This tutorial covers how to combine … Combining and Aggregating Numerical Data in SQLRead more

aggregate-function, arithmetic-operators, COALESCE, data manipulation, database-query, group by, null, SQL, sum