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Bigchao

Rating
1502.69 (337,858th) 		Reputation
901 (168,767th)
Page: 1
Title Δ
`spread= a - b` calculation on the tall data with `dplyr` and `data... -1.40
Select row from data.table with min value -0.09
dynamic aggregations with data.table in R using derived column names -3.81
data.table reshape with alternating columns +0.05
Installation Scrapy Error on Mac 10.9.1 using pip -0.09
About Error ":= and `:=`(...) are defined for use in j, once o... +4.28
Documentation about melt.data.table in data.table +3.75