similar to: reading data on code script.

Displaying 20 results from an estimated 1000 matches similar to: "reading data on code script."

clipping a large image on R
2008 Jan 11
2
clipping a large image on R
Dear all, I have a so large image (43,000 x 18,000 pixels) and I need clip this image with a smallest one (1000x1000 pixels). I can read the second image using rgdal package. But the first image can´t be read on my system because if memory limitation (I have about 2GB availabe). So I would like hear from you if anyone have some suggestin in this regards. I have also ArcGis 8.6 ans Erdas 8.3
updating matrix from a dataframe
2007 Nov 23
2
updating matrix from a dataframe
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fitting "power model" in nls()
2007 Dec 02
3
fitting "power model" in nls()
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updating R version and packages.
2007 Dec 30
2
updating R version and packages.
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shortest distance between two point pattern
2008 Feb 09
2
shortest distance between two point pattern
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redirect plot device automatically
2008 Jan 04
1
redirect plot device automatically
Dear all, Every time that I need to generate I plot output as figure I use something like png("myoutput.png") plot(rnorm(100)*1.0,col=4) points(rnorm(100)*0.5,col=2,pch=0) dev.off() But now I need to generate a lot of outputs and it could not be done in a for looping where I can change the names. So I would like to know if is there a way of I automatically redirect the output from my
Res: GLM coefficients
2008 Feb 07
1
Res: GLM coefficients
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Res: Scatterplot Showing All Points
2007 Dec 18
1
Res: Scatterplot Showing All Points
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Individual Based Model and/or Cellular automata
2006 Nov 02
2
Individual Based Model and/or Cellular automata
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how to get points from SpatialPolygonsDataFrame
2008 Feb 04
1
how to get points from SpatialPolygonsDataFrame
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plotting a point graph with data in X-axis
2007 May 08
3
plotting a point graph with data in X-axis
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deleting row when any col is.na
2007 Feb 11
2
deleting row when any col is.na
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identify extremes positions of values into matrix
2006 Nov 03
3
identify extremes positions of values into matrix
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adjusting "levels" after subset a table
2007 Dec 09
2
adjusting "levels" after subset a table
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Creating directory under Windows R session
2007 Jun 20
2
Creating directory under Windows R session
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Abundance data ordination in R
2007 Apr 01
4
Abundance data ordination in R
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sample "n" random positions from a matrix
2006 Dec 10
4
sample "n" random positions from a matrix
Hi there, I have a binary matrix (dim 100x100) filled with values 0 and 1. I need select a record "n" positions of that matrix when values are 1. How can I do that? Thanks for all, Miltinho Brazil --------------------------------- [[alternative HTML version deleted]]
Res: gc() and memory efficiency
2008 Feb 07
1
Res: gc() and memory efficiency
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min() return factor class values
2007 Jan 09
3
min() return factor class values
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changing image dimensions
2006 Nov 07
2
changing image dimensions
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