Displaying 1 result from an estimated 1 matches for "phase_mark".
2007 Sep 17
1
How can I write routines and scripts in the R environment ?
...s marked in another field, say
phase-mark, containing the letter "Z".*
*My goal is to write a small routine that does that for each signal file.*
*If I had to do that in C language I'd write something like:*
**
*num-cycles = 0;
for (i=0,i<num-records; i++) {*
* if ( my.data.frame$phase_mark[i] =="Z" ) {*
* my.data.frame$phase[i] += num-cycles*2PI;*
* num-cycles++;*
* }*
*}*
*Questions*:
*1. How can I write a small routine like the one above to operate on certain
columns of an entire data.frame ?*
*2. How can I write a parametric R script (like a shell scr...