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The workbook is a recipe for calculating a required Sample Size for two independent Proportions given Alpha, Power (1-Beta) and Effect Size. It is applied to a binary (categorical) outcome measure, such as ... Several months ago, I wrote something relating to the Excel's Networkdays alternative. EXCEL's "networkdays" s alternative I recently realized that there are much simpler way to get same result. At th... SQL file to create and populate sample data from superstore to MySQL 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 ... Description: In Tableau you have the option of Fixing the Axis Range (both Upper and Lower bounds), or letting Tableau choose (by deselecting 'Include Zero'). Sometimes you want to just fix one end. This little tr... Description: This is a variation of a (common) reactivation-retention-churn analysis. To put a customer into a particular cohort bin for a particular period, one could lookup both previous and nex... Description: This workbook outlines methods of comparing Current Period to Date vs the Previous Period to Date based on 3 Parameters: Date Selection (Calendar Param), Period (List Param, i.e. Year, Quarter, Month) a... I was asked to give a visual comparison between several elements and show the length of the gap from the highest to the lowest. Below is my solution: Bar Length: From Lowest Point (sales) to Highest Point (sa... 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 ... This report was created in version 10.2 and supersedes the prior version at Who has seen this view? Workbook and View hits report. Make sure 'readonly' user access has been set up on your Tableau Server. M... Description: here I share an idea of how to build a dynamic histogram in different selected measure ... by adding different measure and automatically calculate the suitable Pin size of this selected measure, and... Description: This is a report portal built as a Tableau Dashboard. The purpose is to help tame the wild west of reporting, which is Tableau Server. Note: This connects to Tableau Server's postgresql database, so you'l... ABC analysis in Tableau typically involves Table Calculations -- as the logic behind grouping items is based on their Percentile Ranks. For example, the 'A' group would consist of the first 20% of Products ... Description: Ever wonder about the differences between discrete (blue) fields and continuous (green) fields? Ever wonder why you can place certain fields on the filters shelf, but not others? I had b... Tableau Version v10.0+ What are relevant value quick filters? Relevant value quick filters, or cascading filters as they are often referred, are a wonderful user friendly way to quickly slice and analyze data. The c... By using the 'Sheet Selector' method you can switch dashboards using a parameter. Creating a Sheet Selector for a Dashboard | Tableau Softwarehttp://kb.tableausoftware.com/articles/knowledgebase/creating-sheet... Description This is a collection of some common periodizations (range of dates). I could not for the life of me find a collection of calculations similar to this, so I went and created this myself. Luckily, the calc... Description: The workbook includes calculations of RFM segments and basic views on top of that. For those who not interested in the whole story, the final calculations are under RFM Dim Folder in Dimens... I had a request to have our chart KPIs have a Color Blind option while still having the standard Stop Light coloring option. Sharing my solution in case others find it useful. Below is a link to a sample viz c... Description: Custom Tableau Server admin views for monitoring usage and data server stats. This is provided without warranty or promise of support. You will need to customize this to your own environment. Refer to htt...
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