Displaying 3 results from an estimated 3 matches for "symbolog".
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symbology
2005 Aug 26
2
Generating barcodes (as gif/jpg)
Hello Rubyists,
I need to generate barcodes (in UPC and codabar symbologies) and
would like to know if anyone has done this with Ruby. From what I can
tell, it would be possible to use the gnu-barcode [1] or
barcodewriter [2] to generate a PostScript, then through RMagick (via
GhostScript) take the file and create a GIF/JPG.
These will really only be used for w...
2009 Jul 20
1
Automatically assign symbol for statistical significance to x given value of x
Dear r-help users,
I am using Sweave and Latex to create tables with output from several
statistical test. As an example: I have a grouping variable "group"
with two levels ("x" and "y") which I compare on variables ("a" and
"b").
I have created a table in which means, standard deviations, and the
statistic and p.value resulting from a t.test is
2008 Jan 16
3
Grouping data
Hi,
I am quite new to R (but like it very much!), so please apologize if
this is a too simple question.
I have a large data frame consisting of data from a survey. There is,
for example, information about age and education (a numeric value from
1-9). Now I would like to extract the total amount of each type of
education within different age groups (e.g. from 18 to 25, from 25 to
35 etc.).