DPLYR is good for small datatables, but more native to R environment and so more flexible. SQLDF is good for large database, but it is a wrapper so may have issues difficult to debug. Both are good in their preferred scenarios. Like python vs java for ds.
g*1
15 楼
Same to me. 博士6年+继续postdoc2年。 8年辛辛苦苦的工作,10几篇第一作者,引用 超过1000的文章。帮助申请到了3个R01(research strategy我全包)。这样最后也没 拿到一封推荐信。RP啊!
l*o
16 楼
Agree. I asked my advisor a while to get a recommendation letter. He think that I should work for industry.
l*1
17 楼
R01 payline soon will be <12% from 2014-2015 except new PI submitted, do your PD mentor thinks s/he can keep three R01 from 2016-2017, otherwise, LZ stands on her/his dimishing food shop, how dare s/he allow more consumer (new TT AP) to that same shop to get food ?
【在 g*********1 的大作中提到】 : Same to me. 博士6年+继续postdoc2年。 8年辛辛苦苦的工作,10几篇第一作者,引用 : 超过1000的文章。帮助申请到了3个R01(research strategy我全包)。这样最后也没 : 拿到一封推荐信。RP啊!