Most graphs chart data that you currently have, but in the course of running a business, you may find you need to design graphs before their data is available. For example, you might use Microsoft ...

A cumulative average recalculates a data set's average as new data is added. During the recalculation all data contained in the data set is included in the average. In Microsoft Excel your spreadsheet ...

Key-value, document-oriented, column family, graph, relational… Today we seem to have as many kinds of databases as there are kinds of data. While this may make choosing a database harder, it makes ...