: The Diagnostic Feature Designer (available via the Predictive Maintenance Toolbox ) allows you to interactively extract features and then generate MATLAB code to automate the process for future data. 3. Writing Features to Files
function featureValue = getMeanAmplitude(signal) % This function calculates a simple statistical feature featureValue = mean(abs(signal)); end Use code with caution. Copied to clipboard 2. Feature Engineering Workflow matlab-2017
In MATLAB, features are usually calculated within functions that take raw data as input and return a single value or vector. : The Diagnostic Feature Designer (available via the
: After writing several feature functions, you can use algorithms like Sequential Feature Selection to identify which ones are most predictive. Copied to clipboard 2
: Start with the function keyword, define outputs, and ensure the filename matches the function name. Example :
: You can use functions like gencfeatures to perform automated feature engineering if your data is in a table.