search for: psychwir

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2011 Oct 23
1
R Data Frame to C# DataGridView - R.NET
...,'Name' = c('Bob', 'Ryan', 'Mel', 'Mark', 'Ali'))"); DataFrame dataset = engine.EagerEvaluate("myDataFrame").AsDataFrame(); dataGridView_DF.DataSource = dataset; }/ I've looked at this link: http://psychwire.wordpress.com/2011/06/25/importing-and-displaying-a-data-frame-with-c-and-r-net/ but I'd like to avoid loops and take a more direct route. I have a feeling I'm supposed to fill 'table' with the contents of 'dataset' but when I try /dataset.Fill(table);/ the error returned i...
2013 Feb 04
6
Script for conditional sums of vectors
Hi guys, I hope you can help me with this (probably) simple query: I have a data frame: -------------------------- a=c(1,1,1,1,1,1,2,2,2,2,2,2) b=c(1,1,1,2,3,4,1,1,2,2,3,4) c=c(400,200,300,100,500,300,200,100,500,400,200,100) data=data.frame(a=a,b=b,c=c) -------------------------- And I would like to get the following output: -------------------------- b a 1 2 3 4 1 900 100 500 300 2