search for: kcal

...ow: xmat4<-xmat3[,apply(xmat3,2,function(.col)!all(var.test(.col,y)$p.value<0.05))] , is right? does the above sentence refer to p.value or F.value? I do not know, please help me! And how can I get the F.value? About this sentence "A further 367 columns with variance below 1.0 kcal/mol were removed as recommended,16 leaving 23 columns." my code below: xmat3<-xmat2[,apply(xmat2,2,function(.col)!all(var(.col)<1))], can I change the var to sd? I have tried it. They have the same result, generally speaking? which one will be used to see the variation of the...

...kup function does in spreadsheets). For that I need to things that I don''t understand... 1.- How can I create a default database (or table) for production? Should I use fixtures for that? 2.- How can I compare two values from the table? In my case is to look for an age and the give back kcal/day requirements; I believe in symphony I''d use something like those magic methods, findBy* or findbyOne*, but I don''t know how to do something similar in rails... there''s such a magic method? I hope you can guide me! :) -- You received this message because you are sub...