Residual = observed value – predicted value
Write the actual value and the predicted value for the same data point
Subtract the predicted value from the actual value
Use the formula: residual = y – ลท
Repeat for each data point if needed
Residual = observed value – predicted value
Write the actual value and the predicted value for the same data point
Subtract the predicted value from the actual value
Use the formula: residual = y – ลท
Repeat for each data point if needed