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This document is prepared intend to handle the nulls. We may have nulls in String Data type Columns, Date Data Type Columns, Numeric Data Type Columns, Which cracks our heads while creating calculations, This ... Hello, Tableau friends, I just want to share a little of what I've learned with the use of Tableau. I really do not know if someone has already mentioned what I am going to explain on this occasion, I hope it ... Current Situation: We are working on getting our Project Managers out of PowerPoint and into entering their data into a SharePoint form so we can create views in Tableau. They are accepting the change but there has b... Description: Often times there will be what looks like NULL data in the data, however, it really is No data. (Refer to the blank spaces in the below view). Example Calculation: &... HI All, I need solution for Below case case: I need count of each Male and Female Fraud's happen in each country, I tried solution with LOD concept but i get ... Description: I often need to parse Google Analytics data or any other data that contains a list of URL's. While doing this, I need to remove the parameters that appear at the end of a content url so pages ... About ATTR(): ATTR() is a special Tableau function that effectively returns a record-level result as an aggregation. If there are multiple values of the record-level field in the current context then ATTR() will re... Description: It is sometimes useful to show high volume geographic data summarised into rectangular bins. This is tricky, though, because of the distortion caused by the map projection. Robert Morton provided... Tableau does not compute Subtotals and Grand Totals as just an aggregation (Sum, Avg, etc.) of the displayed marks. Instead, Subtotals and Grand Totals are computed as a separate calculation of the Measure at a coarse... Description: While there is a Year to Date option in a Relative Filter for a date, there is no Year to Date from the previous year. The following formulas use the current Day/Month/Year to determine whether a ... Description: Removes extra characters from the end of a string. Example Calculation: //for example in a field similar to [Size After] (which has a format similar to 1KB, 110KB, 10... Description: It is often useful to divide up the members of a datetime dimension into uniformly sized bins. Tableau has built-in support for doing this at the level of common datetime units, ranging from years to sec... Description: A common task in longitudinal analysis is to compare an observed [VALUE] to either a previous [LAG] or following [LEAD] value with respect to a prescribed [ORDER]. With the introduction of level o... Description: This demonstrates one way to extract data from a field that contains JSON data (e.g. key/value pairs). The approach using a regex to pattern match on the key and then extract the value. E... Description: The Kaplan Meier product limit estimator is widely used in survival analysis. It is applied in the situation where each event observation records, exclusively, either an outcome, or a censoring at a sing... Description: Quantiles divide ordered data into a series of essentially equal-sized data subsets. The quantiles are the data values marking the boundaries between consecutive subsets. The most commonly used numbers o... Tableau Function(s) Used: DATEADD Example Calculation: DATEADD('day',-1,[Date Field]) Description: Tableau starts a week with Sunday. By using the above calculation, the start day ... Description: This is the simplest t-test for a significant difference in the means of two independent populations assumed to have equal variance. This test assumes the two samples are of equal size. The test i... Description: Example Calculation: //calculation comments in green and in Courier New If [calculation] then [black] and [ Courier New font] end ... Description: Tableau's inbuilt conversion function for converting a string representation of a date and time to a datetime field is DATETIME(). This works fine as long as the precision of the time portion of the fiel...
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