@PaigeMiller, okay thanks. I see your point in the suggestion. Following that, I was able to figure out the mistake. As @Reeza suggested it, the reason of inconsistency was due to referring to the non-standardized dataset (i.e., prior to proc stdize ... method=RANGE). I fixed the issue and got the same result. Thanks so much to both of you, especially @Reeza for pointing out a possible mistake or the rounding effect issue. One little typo in referencing to a dataset (work.institutional_ownership_V2 rather than work.institutional_ownership_V3) caused unnecessary headache.
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