I have asked a question a few days back on how to find the nearest neighbors for a given vector. My vector is now 21 dimensions and before I proceed further, because I am not from the domain of Machine Learning nor Math, I am beginning to ask myself some fundamental questions: ...

How can I extract the value of an attribute node via XPath? 7 Answers 7 ...

A categorical variable V1 in a data frame D1 can have values represented by the letters from A to Z. I want to create a subset D2, which excludes some values, say, B, N and T. Basically, I want a command which is the opposite of %in% ...

I know this might be very rudimentary, but I am new to OpenCV. Could you please tell me how to obtain the size of a matrix in OpenCV?. I googled and I am still searching, but if any of you know the answer, please help me. ...

家政O2O百家争鸣后的卡位战：烧钱补贴并非良药Housekeeping_O2O_battle家政 O2O 烧钱家政O2O市场自前年开始爆发以来，创业者与风投资金不断进入，在今年更是掀起了惊涛骇浪，这一点我们从最近该行业的投融资情况可见一斑，仅在...

家政O2O百家争鸣后的卡位战：烧钱补贴并非良药Housekeeping_O2O_battle家政 O2O 烧钱家政O2O市场自前年开始爆发以来，创业者与风投资金不断进入，在今年更是掀起了惊涛骇浪，这一点我们从最近该行业的投融资情况可见一斑，仅在...

家政O2O百家争鸣后的卡位战：烧钱补贴并非良药Housekeeping_O2O_battle家政 O2O 烧钱家政O2O市场自前年开始爆发以来，创业者与风投资金不断进入，在今年更是掀起了惊涛骇浪，这一点我们从最近该行业的投融资情况可见一斑，仅在...

家政O2O百家争鸣后的卡位战：烧钱补贴并非良药Housekeeping_O2O_battle家政 O2O 烧钱家政O2O市场自前年开始爆发以来，创业者与风投资金不断进入，在今年更是掀起了惊涛骇浪，这一点我们从最近该行业的投融资情况可见一斑，仅在...

家政O2O百家争鸣后的卡位战：烧钱补贴并非良药Housekeeping_O2O_battle家政 O2O 烧钱家政O2O市场自前年开始爆发以来，创业者与风投资金不断进入，在今年更是掀起了惊涛骇浪，这一点我们从最近该行业的投融资情况可见一斑，仅在...

家政O2O百家争鸣后的卡位战：烧钱补贴并非良药Housekeeping_O2O_battle家政 O2O 烧钱家政O2O市场自前年开始爆发以来，创业者与风投资金不断进入，在今年更是掀起了惊涛骇浪，这一点我们从最近该行业的投融资情况可见一斑，仅在...