search for: gagurin

Displaying 3 results from an estimated 3 matches for "gagurin".

Did you mean: gagurine
2006 Dec 26
2
sequential row selection in dataframe
Dear all; I'm wondering if there is any 'efficient' approach for selecting a sample of 'every nth rows' from a dataframe. For example, let's use the dataframe GAGurine in MASS library: > length(GAGurine[,1]) [1] 314 # select an 75% of the dataset, i.e. = 236 rows, every 2 rows starting from row 1 > test<-GAGurine[seq(1,314,2),] > length(test[,1]) [1] 157 # so, I still need another 79 rows, one way could be: test2<-GAGurine[-seq(1,314,2),] >...
2003 Apr 09
1
'Apparently' trouble with name spaces and Sweave...
...Error in namespaceExport(ns, exports) : undefined exports: abbey, accdeaths, Aids2, Animals, anorexia, austres, bacteria, beav1, beav2, biopsy, birthwt, Boston, cabbages, caith, Cars93, cats, cement, chem, coop, cpus, crabs, Cushings, DDT, deaths, drivers, eagles, epil, farms, fdeaths, fgl, forbes, GAGurine, galaxies, gehan, genotype, geyser, gilgais, hills, housing, immer, Insurance, leuk, lh, mammals, MASS.data.load, mcycle, mdeaths, Melanoma, menarche, michelson, minn38, motors, muscle, newcomb, nlschools, nottem, npk, npr1, oats, OME, painters, petrol, phones, Pima.te, Pima.tr, Pima.tr2, quine, R...
2006 Dec 26
1
Colored Dendrogram
...ec4045@mail.gmail.com> > Content-Type: text/plain; charset=UTF-8; format=flowed > > Dear all; > > I'm wondering if there is any 'efficient' approach for selecting a > sample of 'every nth rows' from a dataframe. For example, let's use > the dataframe GAGurine in MASS library: > > > length(GAGurine[,1]) > [1] 314 > > # select an 75% of the dataset, i.e. = 236 rows, every 2 rows starting > from row 1 > > test<-GAGurine[seq(1,314,2),] > > length(test[,1]) > [1] 157 > > # so, I still need another 79 rows, one wa...