處理Null 值和其他特殊值 套用到: Tableau Desktop Tableau 中有些資料需要特殊處理。具體而言: Null 值 無法識別或不明確的地理位置 使用對數刻度時出現負值或零值 使用樹地圖時出現負值或零值 特殊值指示器 資料中包含任何這些特殊值時,Tableau 將無法在檢視中繪製它們。而是會在檢視的右下角顯示一個指示器。按...
Data shows in preview but export has columns showing Null values (joining data on Order By results) I'm using Tableau Prep to try and track the movement of product through our system using a transaction table and it works exactly as i would like in Prep's results preview but as soon as...
I am using Google Sheet as a data source, also using Tableau Data Interpreter to clean the data. The Tableau data review shows the column values whereas Tableau shows null values of the same column. Here is the screenshot from Tableau The following screenshot from data review I have verified...
Generally, you should continue to show the indicator so that you know there is data that is not being shown in the view. However, to hide the indicator, right-click (control-click on a Mac) it and select Hide Indicator. Null numbers and dates, and negative values on log axes A null ...
84. How would you handle null values in Tableau? Null values can be handled by 1. Removing them. 2. Replacing them with a default value. 3. Using functions like IFNULL() or ZN() to replace them with zeros or other placeholders. 85 What is the difference between Quick Filters and Norm...
AVG(expression) Returns the average of all the values in the expression. AVG can be used with numeric fields only. Null values are ignored. COUNT (expression) Returns the number of items in a group. Null values are not counted. MEDIAN (expression) Returns the median of an expression across...
The IF Statement Tableau returns the result (i.e. TRUE) only if the given condition is met, but if the condition is not met (i.e. FALSE) then it returns a NULL value. This is also referred to as conditional expression or Boolean expression as the result would be in the form of TRU...
In our old Tableau Server environment Null values are also kept, so I believe this issue is tool related. 3 stylem 5 - Atom 02-27-2022 05:23 PM Why does the Tableau Output Tool stay in the queue and not start when I schedule it with Alteryx Designer add-on Automation? 0 ...
A promise of relationships is that unmatched measure values will never be dropped when combining multiple tables. Consequently, adding a measure from another table into a viz can introduce unmatched nulls and therefore cause “Null” to appear infilters. ...
If you have a specific user account that you want to use to connect to the MySQL database, enter the username and password for that account. If not, you can leave these fields blank, and Tableau will prompt you for your credentials when you connect. ...