Re: [R-sig-Geo] Raster crosstab output: -1 values?

2013-01-02 Thread Megan Evans
' values. Thanks again, Megan -Original Message- From: Lyndon Estes [mailto:lyndon.es...@gmail.com] Sent: Friday, 21 December 2012 2:01 AM To: Megan Evans Cc: r-sig-geo Subject: Re: [R-sig-Geo] Raster crosstab output: -1 values? Hi Megan, Can you give some steps on how you prepared the data

[R-sig-Geo] Raster crosstab output: -1 values?

2012-12-19 Thread Megan Evans
Hi everyone, I'm computing a very large crosstab analysis (using the raster package) for around 700 tiles of 25m resolution vegetation raster data. Essentially, I want to figure out how much forest is contained within each land use, land tenure and jurisdictional boundary (eight Australian