Removing rows and columns When combining data from different sources, it is common for developers not to need everything that Power BI Desktop obtains from each source. For example, the Ranking of best and worst states for retirement webpage accessed in the previous section includes a column containing the names of the states. However, a developer might want to use the two-letter state abbreviations instead. To do this, the developer can access another data source that contains columns specifying the state names and their abbreviations. However, that data source might include other information as well. For example, the data source shown in Figure 3-44 includesRead More →