search for: makedata

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

Did you mean: fakedata
2010 Aug 09
3
Extract values from data frame in R
Using R, I would like to find out which Samples (S1, S2, S3, S4, S5) fulfill the following criteria:contain minimally one value (x, y or z) bigger than 4. Any ideas? Thanks, Alex. > data Sample x y z 1 S1 -0.3 5.3 2.5 2 S2 0.4 0.2 -1.2 3 S3 1.2 -0.6 3.2 4 S4 4.3 0.7 5.7 5 S5 2.4 4.3 2.3
2013 Mar 14
1
Bootstrap encounter histories data
Hi all, I am working with a capture-recapture analyses and my data set consists of a typical set of encounter histories. Thus, for each individual I have a string (same length for all the individuals) consisting of 0 (not seen) and other numbers (seen in state "1", seen in state "2", etc. where state may refer to breeding, nesting, feeding, etc.). At the end of each string I
2010 Oct 22
3
Conditional looping over a set of variables in R
Here's the problem I'm trying to solve in R: I have a data frame that consists of about 1500 cases (rows) of data from kids who took a test of listening comprehension. The columns are their scores (1 = correct, 0 = incorrect, . = missing) on 140 test items. The items are numbered sequentially and are ordered by increasing difficulty as you go from left to right across the columns. I want