*Is this going to affect the outcome of my data analysis? It shows I only have 44 degrees of freedom when my dataset has 45 data points and 5 factors (see upload). If so, do you have any suggestions to correct it?*

2021HelicopterPlanWithResponseData.pdf (44.0 KB)

*Here is my code:*

copter<-(aov(hang.time.in.seconds~Wing.Length,data=data))

copter

*Here is the output:*

Call:

aov(formula = hang.time.in.seconds ~ Wing.Length, data = data)

Terms:

Wing.Length Residuals

Sum of Squares 3.430733 4.388044

Deg. of Freedom 4 40

Residual standard error: 0.3312116

Estimated effects may be unbalanced