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JayCompany
Calcite | Level 5

Hello,

   I have one column in a dataset with 5M Rows of data. I'm trying to understand the range of values and figure out the general distribution.  How would I select a percentage of the highest amounts and a percentage of the lowest amounts? Thanks! 

2 REPLIES 2
Reeza
Super User

I would recommend a histogram first - using PROC UNIVARIATE. 

It also displays the highest. 

 

Then I would also recommend PROC RANK. 

Rank the variable of interest using groups of 100, then you can find all less than X% by choosing all less than the Xth rank. Note how it handles tied values though - and that's one reason I prefer this methodology. It can account for ties where some of the manual methodologies will not, by default, so you need extra coding.

PGStats
Opal | Level 21

Also, use option NEXTROBS=n in proc univariate to display the n highest and n lowest observations.

PG

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