addQuarter function in the Factory

The addQuarter function adds a given number of quarters to a date attribute.

Parameters

addQuarter(date, nquarter)

Parameter

Description

date

The date attribute we want to add quarters to. The date parameter is mandatory.

nquarter

The number of quarters to add to the chosen date attribute. The nquarter parameter is mandatory.

A quarter is made up of three months.

Date type valid formats (if the values aren’t this format, the function will return an error).

  • 2019/10/12;

  • 12/10/2019;

  • 2019-10-12;

  • 12-10-2019;

  • 2019/Oct/12;

  • 12/Oct/2019;

  • 2019-Oct-12;

  • 12-Oct-2019.

Example

The following example uses the Bike Sales dataset.

Description

Screenshot

In this example, we want to add two quarters to the Date attribute.

We type the following formula in the addquarter attribute:

addQuarter($"Date",2)

and the attribute will be filled with the Date attribute’s values postponed by two quarters, that are six months.

The results are:

  • In row 1, the Date value 2013-11-26 becomes the addquarter 2014-05-26 value.

  • In row 2, the Date value 2015-11-26 becomes the addquarter 2016-05-26 value.

and so on.

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