search for: 7.513013

Hello R users, I'm trying to extract random samples from a big array I have. I have a data frame of over 40k lines and would like to produce around 50 random sample of around 200 lines each from this array. this is the matrix ID xxx_1c xxx__2c xxx__3c xxx__4c xxx__5T xxx__6T xxx__7T xxx__8T yyy_1c yyy_1c _2c 1 A_512 2.150295 2.681759 2.177138 2.142790 2.115344 2.013047

[ 0.000000] microcode: CPU0 microcode updated early to revision 0x1b, date = 2014-05-29 [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Initializing cgroup subsys cpuacct [ 0.000000] Linux version 4.4.0-rc3+ (airlied at crackbookpro) (gcc version 5.1.1 20150618 (Red Hat 5.1.1-4) (GCC) ) #44 SMP Sat Dec 5 16:05:39 AEST 2015 [