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358 results for “from:Ben Tupper”

handling a cancelled file.choose()
Ben Tupper · Jun 6, 2007 · r-help

Deepayan Sarkar wrote: > On 6/6/07, Ben Tupper <btupper at bigelow.org> wrote: >> Hello, >> >> >> I have a file reading function that prompts the user with a file dialog >> if a filename is not provided in the argument list. It...

if/else scope
Ben Tupper · Nov 15, 2011 · r-help

Hi, Check out this R-help thread from 2007. http://tolstoy.newcastle.edu.au/R/e2/help/07/06/19513.html Cheers, Ben On Nov 15, 2011, at 6:46 PM, Kevin Burton wrote: > What is wrong with the following...

How to filter xml value in R?
Ben Tupper · Nov 14, 2012 · r-help

Hi, On Nov 13, 2012, at 11:55 PM, Manish Gupta wrote: > Hi, > > I have one xml file. > > <Class> > <Node1 code ="1"> First node </Node1> > <Node2 code ="1"> Second node </Node2> > <Node3 code ="1"> Third node </Node3> > <Node1 code ="2...

Earthdata CMR access
Ben Tupper · Apr 13, 2022 · r-sig-geo

Hello, I am interested in accessing physical oceanography data from PO.DAAC ( https://earthdata.nasa.gov/eosdis/daacs/podaac) from within R using opendap. NASA is moving its data offerings to the cloud, and it is adopting Common Metadata Repositories...

2-Y-axes on same plot
Ben Tupper · Dec 10, 2008 · r-help

On Dec 10, 2008, at 9:35 AM, Joe Trubisz wrote: > Hi... > > Is this possible in R? > > I have 2-sets of data, that were collected simultaneously using 2- > different data acquisition schemes. > The x-values are the same for...

Textwrangler Languages Folder
Ben Tupper · Dec 10, 2010 · r-help

Hi, On Dec 10, 2010, at 9:27 AM, Scott Chamberlain wrote: > Dear R Community, > > I recently switched to a Mac (10.6.5), and have installed > Textwrangler to > run code to R. However, I can't install the syntax...

useR! spatial presentations
Ben Tupper · Aug 22, 2017 · r-sig-geo

A gold mine! Thanks for sharing these. > On Aug 22, 2017, at 5:40 AM, Roger Bivand <Roger.Bivand at nhh.no> wrote: > > A useful listing of video links fro useR! in Brussels on spatial topics: > > https://gist.github.com...

How to add overall xlabel and ylabel?
Ben Tupper · Sep 25, 2016 · r-help

Hi, Here's a place to start... https://www.r-bloggers.com/two-tips-adding-title-for-graph-with-multiple-plots-add-significance-asterix-onto-a-boxplot/ You might also want to checkout the text() function and the xpd argument...

Copy and Rename Folder in same directory
Ben Tupper · May 8, 2017 · r-help

Hi, Checkout all of the functions for file/directory management under ?files (note the plural). Cheers, Ben > On May 8, 2017, at 6:30 AM, Archit Soni <soni.archit1989 at gmail.com> wrote: > > Hello, > > Forgive me to ask this kind...

get the sign of a value
Ben Tupper · Mar 14, 2013 · r-help

Hi, On Mar 14, 2013, at 3:41 PM, Dimitri Liakhovitski wrote: > Hello! Can't figure it out - hope it's simple: > > # I have some value (can be anything), e.g.: > x = 12 > # I'd like it to become 1...

Raster extract by polygon generating NAs
Ben Tupper · May 16, 2018 · r-sig-geo

Hi, It's hard to know without any reproducible code, but you will want to pay close attention to the value of the na.rm argument to raster::extract(Raster,SpatialPolygons) See ?extract for all the details. Cheers, Ben > On...

Tcl/tk question
Ben Tupper · Mar 18, 2008 · r-help

Hi, I'm just a newbie, but I don't mind stealing the gurus' thunder. Try RSiteSearch("Tcl/tk James") - it brings up a number of posts authored by a James W. Cheers, Ben On Mar 18, 2008, at 7...

Recommendations for wildfire risk analysis (spatially explicit)
Ben Tupper · Jan 21, 2024 · r-sig-geo

Hi, Perhaps this might be a good place to start? https://esajournals.onlinelibrary.wiley.com/doi/10.1002/eap.1898 The authors state that the work was done primarily in R. Cheers, Ben On Sat, Jan 20, 2024 at 9...

CRAN releases of sp, rgdal and rgeos
Ben Tupper · Jun 11, 2018 · r-sig-geo

It's quite a selection of drivers, but my driver world has a short horizon. > gdalDrivers() name long_name create copy isRaster 1 AAIGrid Arc/Info ASCII Grid FALSE TRUE TRUE 2 ACE2 ACE2 FALSE FALSE TRUE 3 ADRG ARC...

unique column values and counts
Ben Tupper · Nov 29, 2010 · r-help

Hi, On Nov 29, 2010, at 7:40 PM, <topman77 at yahoo.com> wrote: > How do I create a second dataframe that shows unique column values > from first dataframe and the number count of rows in first dataframe > where column...

How to get the coordinates (latitude/longitude) of a continent outline?
Ben Tupper · Feb 2, 2019 · r-sig-geo

Hi, There is a whole world of options (sorry for the lame pun!), but I would recommend checking out ROpenSci's rnaturalearth package https://ropensci.org/tutorials/rnaturalearth_tutorial/ <https://ropensci.org/tutorials/rnaturalearth_tutorial/> https://CRAN.R-project.org...

R spatial follows GDAL and PROJ development
Ben Tupper · Mar 18, 2020 · r-sig-geo

This is very helpful - thank you! On Wed, Mar 18, 2020 at 9:12 AM Roger Bivand <Roger.Bivand at nhh.no> wrote: > A new blog: "R spatial follows GDAL and PROJ development" has been > published: https://www.r-spatial...

Parsing XML to tree.
Ben Tupper · May 8, 2013 · r-help

Hi, On May 8, 2013, at 3:43 AM, avinash sahu wrote: > Hi All, > > I am struggling to parse a XML file that describes a tree. The XML file is > present here: > http://www.emouseatlas.org/emap/ema/theiler_stages...

Checking if a logical variable exists
Ben Tupper · Dec 14, 2014 · r-help

Hi, Does this work for you? It simply tests if the name Fisher is found among the names of the elements of spec. obj = list(spec = list) Fisher <- ifelse(!("Fisher" %in% names(obj$spec)), FALSE, obj$spec$Fisher) Cheers, Ben...

colored rasterImage()
Ben Tupper · Sep 30, 2010 · r-help

Hello, I have been exploring the possibility to transition some code that currently uses image() to use the new rasterImage(). To date, I haven't been able to specify a color look-up strategy that works. For example... nx <- 100...

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