Data is rarely so uniform and predictable that plotting data points creates a perfectly linear arrangement. Scatter charts might have wildly varying plots that create a seemingly random correlation ...
If you have an Excel spreadsheet that contains empty data, such as empty rows or columns, and plot a graph from the spreadsheet, Excel plots all empty data. Microsoft Excel 2010 does not plot hidden ...
A simple and intuitive excel/ods file to help you plotting two-way interactions. Fill in the values as requested from a multiple linear regression table. You just need the BETA coefficients of the ...