[R] question on extracting binary data from pdf image

2008-09-08 Thread Li, Xiaochun
Dear List, If I use the following code to generate a pdf, pdf(filename) image(x, y, !is.na(z), col=c("green","black")) dev.off() Can someone extract the 0-1 data (that is, is.na(z)) from the Adobe source? Thank you. Xiaochun [[alternative HTML version deleted]] _

Re: [R] question on extracting binary data from pdf image

2008-09-08 Thread Prof Brian Ripley
On Mon, 8 Sep 2008, Li, Xiaochun wrote: Dear List, If I use the following code to generate a pdf, pdf(filename) image(x, y, !is.na(z), col=c("green","black")) dev.off() Can someone extract the 0-1 data (that is, is.na(z)) from the Adobe source? Yes (from the PDF file, which is not due to Ad

[R] question on extracting binary data from pdf image

2008-09-08 Thread Li, Xiaochun
Dear List, If I use the following code to generate a pdf, pdf(filename) image(x, y, !is.na(z), col=c("green","black")) dev.off() Can someone extract the 0-1 data (that is, is.na(z)) from the Adobe source? Thank you. Xiaochun [[alternative HTML version deleted]] _