X, Y Import X, Y Imports data from a file with two columns of numbers, one the independent and one the dependent variable. The user must choose a data file to import.
More detail is provided below based on the type of fit.
Line Prompts the user for an X error bar. The user may choose a value for every X error in the data set, choose not to use X errors, or cancel the import process. The user is then prompted for a Y error bar. The user must either enter a value for every Y error bar in the data set or cancel the import process. The user is asked if MPL Fitting should use the square root of the Y variable as the error on the Y variable.