search for: minear

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2008 Sep 05
1
boxplot including null info from dataframe, not with SQLite dataframe
...loaded from SQLite versus a data frame loaded from a file. In the mean time, I'll either try to install RSQLite on Windows or get postscript working on FreeBSD. (My quick attempt with postscript in R on FreeBSD was not drawing the bounding box nor the axes.) Thanks for any help. -- Coey Minear
2008 Sep 11
2
database table merging tips with R
...(see http://cran.r-project.org/web/packages/ROracle/index.html). On the other hand, RODBC worked more or less magically once I set up the data sources. What is your success using ROracle and why would it be preferable to RODBC ? -Avram On Thursday, September 11, 2008, at 12:47PM, "Coey Minear" <cminear at securecomputing.com> wrote: >Aaron Mackey writes: > > I guess I'd do it something like this: > > > > dbGetQuery(con, "CREATE TEMPORARY TABLE foo ( etc etc)") > > sapply(@userids, function (x) { dbGetQuery(con, paste("INSERT INTO...
2006 May 03
2
Using a helper within another helper?
I am trying to push some view logic into a helper. The thought is that this is a step towards having the business logic in the helper rather than the view. However, I''m essentially wrapping the checks around an eventual call to date_select(). The problem I''m having is that the application complains that it doesn''t know about date_select(). I''m sure (or
2005 Dec 20
2
Null Text Fields
I tend to allow nulls in cases where the value is unknown, even if it''s a text/varchar field. RoR seems to push empty strings into these fields. Is there any way to get RoR to use NULL vice '''' if the input box is empty? Thanks! - Ian