This file is indexed.

/usr/lib/R/site-library/iwrlars/INDEX is in r-other-iwrlars 0.9-5-2build1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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 lars	Compute the LAR, lasso, positive lasso or forward stagewise coefficient paths        
 plot.lars   Plot the coefficient paths
 predict.lars	  Predict from a lars model
 cv.lars     Produce the K-fold cross-validation curve for lars
 coef.lars   Extract coefficients from a lars model