Re: [R] need advice on using excel to check data for import into R

2012-04-24 Thread Michael Bibo
Markus Weisner r at themarkus.com writes: My question is whether anybody can think of clever alternatives for clients to validate their data … for example, is their a R excel plugin (that would be easily installed by a client) where I might be able write some lines of R to check the data and

Re: [R] need advice on using excel to check data for import into R

2012-04-23 Thread Greg Snow
This is really a job for a database, and Excel is not a database (even though many think it is). I have some clients that I have convinced to create an Access database rather than use Excel (still MS product so it can't be that scary, right?). They were often a little reluctant at first because

[R] need advice on using excel to check data for import into R

2012-04-22 Thread Markus Weisner
I have created an S4 object type for conducting fire department data analysis. The object includes validity check that ensures certain fields are present and that duplicate records don't exist for certain combinations of columns (e.g. no duplicate incident number / incident data / unit ID ensures

Re: [R] need advice on using excel to check data for import into R

2012-04-22 Thread Richard M. Heiberger
This looks like a perfect case for an RExcel solution. RExcel is an addin that allows you, among other things, to place an arbitrary R function inside the Excel automatic recalculation mode. For details see rcom.univie.ac.at There are many references item listed on the wiki page in the left

Re: [R] need advice on using excel to check data for import into R

2012-04-22 Thread Markus Weisner
If I go to wiki - how to install it looks like a rather complicated installation that involves installing R followed by several command line prompts. It looks like it might be too much of an installation process to make sense for a client to conduct a one-time data check. Looks like a great tool