search for: max_vec

Displaying 5 results from an estimated 5 matches for "max_vec".

2017 Dec 09
2
Remove
...ed between 40 and 50. > group C I want keep rows that have " x" values ranged between 60 and 75. When you have a problem where there are multiple "parallel: parameters, the function to "reach for" is `mapply`. mapply( your_selection_func, group_vec, min_vec, max_vec) ... and this will probably return the values as a list (of dataframes if you build the function correctly, so you may may need to then do: do.call(rbind, ...) -- David. > > > DM <- read.table( text='GR x y > A 25 125 > A 23 135 > A 14 145 > A 35 230 > B 45...
2017 Dec 09
0
Remove
...>> group C I want keep rows that have " x" values ranged between 60 and 75. > > When you have a problem where there are multiple "parallel: parameters, the function to "reach for" is `mapply`. > > mapply( your_selection_func, group_vec, min_vec, max_vec) > > ... and this will probably return the values as a list (of dataframes if you build the function correctly, so you may may need to then do: > > do.call(rbind, ...) do.call( rbind, mapply( function(dat, grp, minx, maxx) {dat[ dat$GR==grp & dat$x >= minx & dat$...
2017 Dec 09
1
Remove
...ep rows that have " x" values ranged between 60 > and 75. > > > > When you have a problem where there are multiple "parallel: parameters, > the function to "reach for" is `mapply`. > > > > mapply( your_selection_func, group_vec, min_vec, max_vec) > > > > ... and this will probably return the values as a list (of dataframes if > you build the function correctly, so you may may need to then do: > > > > do.call(rbind, ...) > > do.call( rbind, > mapply( function(dat, grp, minx, maxx) {dat[ dat$GR==g...
2017 Dec 09
0
Remove
Hi David, Ista and all, I have one related question Within one group I want to keep records conditionally. example within group A I want keep rows that have " x" values ranged between 15 and 30. group B I want keep rows that have " x" values ranged between 40 and 50. group C I want keep rows that have " x" values ranged between 60 and 75. DM <-
2017 Dec 07
4
Remove
> On Dec 6, 2017, at 4:27 PM, Ashta <sewashm at gmail.com> wrote: > > Thank you Ista! Worked fine. Here's another (possibly more direct in its logic?): DM[ !ave(DM$x, DM$GR, FUN= function(x) {!length(unique(x))==1}), ] GR x y 5 B 25 321 6 B 25 512 7 B 25 123 8 B 25 451 -- David > On Wed, Dec 6, 2017 at 5:59 PM, Ista Zahn <istazahn at gmail.com> wrote: