Hello everyone, when I run the "unique" command on my data frame, it deletes
the majority of duplicate rows, but not all of them.  Here is a sample of my
data. How do I get it to delete all the rows?

 6 -115.38 32.894 195 162.94 D 8419 D

 7 -115.432 32.864 115 208.91 D 8419 D

 8 -115.447 32.773 1170 264.57 D 8419 D

 9 -115.447 32.773 1170 264.57 D 8419 D

 10 -115.447 32.773 1170 264.57 D 8419 D

 11 -115.447 32.773 1170 264.57 D 8419 D

 12 -115.447 32.773 149 186.21 D 8419 D

 13 -115.466 32.855 114 205.63 D 8419 D

 14 -115.473 32.8 1121 207.469 D 8419 D


Thanks a bunch!

Mehdi Khan

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