Hi Issac, Actually I regularly use R + Postgresql for all of my research, thanks though.
I am helping a colleague -- and we looking for a quick alternative to python. thanks, dylan On Thursday 03 May 2007 13:28, Issac Trotts wrote: > If you want to do data analysis and plotting then your best bet would > probably be GNU R: www.r-project.org. > > It has a steeper learning curve than Python, but it's really dedicated to > doing stats. > > Issac > > On 5/3/07, Dylan Beaudette <[EMAIL PROTECTED]> wrote: > > Hi everyone, > > > > I have a rather interesting problem, that i would like to solve with awk > > or > > bash scripting - but if all else fails then I will switch to python. > > > > here is the idea: > > > > i have a set of files, each with 30 columns - coming from a set of 10 > > data loggers. each file represents the output from a single datalogger. > > the ordering of the columns is consistant, and maps to a soil-pit id and > > moisture > > probe id. I need to create a look-up table to index ids to column > > numbers. Then, looping over the dimensions of the look-up table would > > allow me to process the file line-by line, column-by column accordingly: > > > > do bash or awk support these type of data structures? > > > > this is how i would envision it in something like python / php: > > > > # a multi-dimensional hash for each datalogger: > > # referencing the sensors assigned to a pit > > # and the row number in which the sensor values exist in the output file > > datalogger_1[ > > pit_1[ > > sensor_1 => 4 > > sensor_2 => 5 > > sensor_3 => 6 > > sensor_4 => 7 > > ], > > pit_2[ > > sensor_1 => 8 > > sensor_2 => 9 > > sensor_3 => 10 > > sensor_4 => 11 > > sensor_5 => 12 > > ], > > ... > > ] > > > > > > # the logic of the program would be : > > iterate over the pits in the datalogger hash > > iterate over the sensors in each pit hash > > lookup the column number for each sensor > > do cool stuff > > end > > end > > > > any ideas ? or should I just stick with python for this? > > > > cheers, > > > > -- > > Dylan Beaudette > > Soils and Biogeochemistry Graduate Group > > University of California at Davis > > 530.754.7341 > > _______________________________________________ > > vox-tech mailing list > > vox-tech@lists.lugod.org > > http://lists.lugod.org/mailman/listinfo/vox-tech -- Dylan Beaudette Soils and Biogeochemistry Graduate Group University of California at Davis 530.754.7341 _______________________________________________ vox-tech mailing list vox-tech@lists.lugod.org http://lists.lugod.org/mailman/listinfo/vox-tech