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as hadley refused tidyverse/dplyr#592
n = sample_n select * from tbl order by rand() limit n bernoulli (approximation for sample_frac) select * from tbl where rand() < frac
Obviously we can only do it for the sparkSQL source
The text was updated successfully, but these errors were encountered:
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as hadley refused tidyverse/dplyr#592
Obviously we can only do it for the sparkSQL source
The text was updated successfully, but these errors were encountered: