To get started, you need to know that Looker Studio has a unique way of handling date ranges, where the "between" filter is not always the most efficient option.
The "count distinct" function is a powerful tool in Looker Studio, allowing you to count unique values within a date range.
In this section, we'll explore how to master the count distinct function within a date range in Looker Studio.
A key fact to keep in mind is that the "count distinct" function can be slow if you're working with large datasets.
For another approach, see: Looker Studio Date Range Picker
Count Distinct in Looker Studio
Count distinct is a useful measure in Looker Studio that calculates the number of distinct values in a given field. It uses SQL's COUNT DISTINCT function.
To create a count distinct measure, you can use the "type: count_distinct" parameter in LookML, which can take any valid SQL expression that results in a table column, LookML dimension, or combination of LookML dimensions.
For example, you can create a field called "number_of_unique_customers" that counts the number of unique customer IDs.
On a similar theme: Looker Studio Calculated Date Field
Within Date Range
Within Date Range, you can use the Count Distinct function in Looker Studio to count the number of unique values in a date range. This is especially useful for tracking the number of new customers acquired within a specific time frame.
For example, if you want to count the number of new customers acquired in the last quarter, you can use the Count Distinct function to count the unique values in the customer ID field within the date range of January 1 to March 31.
The Count Distinct function is also useful for tracking the number of orders placed within a specific date range. You can use it to count the unique values in the order ID field within the date range of April 1 to June 30.
See what others are reading: Looker Studio Running Count
Using Looker Studio
To get started with using Looker Studio, you'll need to create a new project and add a data source. Looker Studio provides a variety of data sources to choose from, including Google Analytics and Google Sheets.
You can connect to your Google Analytics account by entering your Google account credentials and selecting the desired property. This will allow you to access your website's data and create visualizations.
Looker Studio offers a range of visualization options, including tables, charts, and maps. You can customize the appearance of your visualizations by selecting different colors, fonts, and layouts.
To create a new visualization, click on the "Create a chart" button and select the desired type. Then, drag and drop fields from your data source into the chart editor to start building your visualization.
Looker Studio also provides a range of filters and sorts to help you refine your data and create more accurate visualizations. You can use these tools to narrow down your data and focus on specific trends or patterns.
By using Looker Studio's data connection feature, you can connect to your Google Sheets account and access your spreadsheet data. This allows you to create visualizations based on your spreadsheet data.
Worth a look: How to Calcluate Percent in Date Range Looker Studio
Alternative Functions
One of the most powerful features of the count distinct within date range function in Looker Studio is its ability to be used in alternative functions such as aggregation and filtering.
You can use the count distinct function to calculate the total number of unique values within a date range, which can then be used to create a total count of unique values over time.
This feature is particularly useful when you need to track the number of unique customers, products, or transactions within a specific date range.
By using the count distinct function in combination with other functions, you can create complex calculations that provide valuable insights into your data.
For example, you can use the count distinct function to calculate the number of unique customers who made a purchase within a specific date range, and then use that data to create a chart that shows the number of new customers acquired over time.
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The count distinct function can also be used to filter data, allowing you to exclude duplicate values and focus on unique data points.
This feature is especially useful when working with large datasets, as it can help you to quickly identify and exclude duplicate values and focus on the unique data points that are most relevant to your analysis.
Sources
- https://www.catchr.io/university/looker-studio-course/mastering-the-count-function-in-looker-studio
- https://cloud.google.com/looker/docs/reference/param-measure-types
- https://lazarinastoy.com/ultimate-guide-to-custom-dimensions-in-data-studio-for-marketing-analysts/
- https://www.googlecloudcommunity.com/gc/Looker-Studio/Count-Distinct-for-unique-ID-in-Scorecard-the-data-response-has/m-p/800546
- https://blog.searce.com/blend-aggregated-non-aggregated-kpis-in-looker-studio-bd403dfada98
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