D. Apply a BASIC calculation to find the average purchase value for all customers and then use a filter to display only customers with more than five purchases Explanation: Create a nested LOD expression: first, use a FIXED LOD to identify customers with more than five purchases, then use another FIXED LOD to calculate the average purchase value for these customers Nested LOD expressions allow for the precise calculation needed: the first FIXED LOD identifies customers with more than five purchases, and the second FIXED LOD calculates the average purchase value for this specific group. it does not filter out customers with fewer than five purchases. WINDOW_AVG does not offer the level of specific customer segmentation required for this calculation. it calculates the average first without considering the number of purchases criterion. A consultant is working with a small business that needs to combine data from different sources, including Excel spreadsheets and a SQL database, for monthly sales reports. The business has minimal technical expertise. Which tool should the consultant recommend for data transformation?
Optimize the geocoding process by reducing the number of map layers and geocoded fields When ‘Geocoding’ is identified as a bottleneck, optimizing the geocoding process by reducing the number of map layers and geocoded fields can directly impact performance by decreasing the amount of geocoding processing required. reducing the number of rows does not directly affect the geocoding process. the issue is with geocoding, not with the complexity of other calculations in the workbook. increasing the server’s processing power does not specifically address the inefficiencies in the geocoding process. During a Tableau project, a consultant notices that the data extracted from an external API into Tableau Desktop is incomplete, missing several key fields that are present in the API. What should be the first step in troubleshooting this data extraction issue?
Explanation: Organize content into multiple projects based on department functions, with specific permissions for each project Organizing content into separate projects based on department functions allows for a structured and clear segregation of dashboards and reports. This ensures that departments access only relevant content, enhancing efficiency and data security. a single centralized project can become unwieldy and difficult to navigate in a large organization. user filters control data visibility within a dashboard but are not an efficient method for organizing numerous dashboards and reports. while standardized templates ensure consistency, they do not address the organization of content based on departmental needs. A consultant is using Tableau Prep to preprocess data for a yearly performance report. The report does not require frequent updates and is based on static annual data. In this context, how should the consultant handle calculations?
Implementing row-level string manipulation calculations in the database before importing the data into Tableau can significantly improve performance, as databases are typically more efficient at handling such operations than Tableau. replacing string manipulations with numerical calculations may not be feasible or relevant to the data’s context. increasing the data refresh rate does not address the issue of computationally intensive calculations in Tableau. splitting the workbook does not resolve the core issue of the calculations’ complexity. A consultant is working on a Tableau workbook for a client who needs a dynamic sales dashboard. The dashboard must reflect daily changing sales data and update calculations accordingly. Which type of calculation should the consultant primarily use in this scenario?
worsening performance. using LOD expressions for string comparisons can be highly inefficient and is likely to exacerbate performance issues. You are optimizing a Tableau workbook that includes complex financial calculations, such as currency conversions and fiscal year adjustments. These calculations are causing performance issues. What strategy would most effectively optimize the workbook’s performance?
➢ TOTAL QUESTIONS:295 A Tableau user notices that the totals in their summary table do not match their expectations after applying multiple filters. They suspect the issue is related to the Tableau order of operations. What is the first step they should take to troubleshoot this issue?
