3750 search results for "GIS"

Seventh Torino R net meeting, free spatial data analysis workshop and R introductory course

March 3, 2014
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Seventh Torino R net meeting, free spatial data analysis workshop and R introductory course

Seventh Torino R net meeting on 27 Mar 2014, exceptionally hosted at Polo Universitario di Asti, will have three presentations: Processing and analysis methods for DNA methylation array data, Giovanni Fiorito, Complex Systems for Life Sciences, University of Turin; Temporal Dominance of Sensations (TDS) … Continue reading →

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Computing R square for Generalized Linear Mixed Models in R

March 2, 2014
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Computing R square for Generalized Linear Mixed Models in R

R square is a widely used measure of model fitness, in General Linear Models (GLM) it can be interpreted as the percent of variance in the response variable explained by the model. This measure is unitless which makes it useful to compare model between studies in meta-analysis analysis. Generalized Linear Mixed models (GLMM) are extending

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Predicting movie ratings with IMDb data and R

March 2, 2014
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Predicting movie ratings with IMDb data and R

It’s Oscars season again so why not explore how predictable (my) movie tastes are. This has literally been a million dollar problem and obviously I am not gonna solve it here, but it’s fun and slightly educational to do some number … Continue reading →

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Reading OECD.Stat into R

March 1, 2014
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Reading OECD.Stat into R

OECD.Stat is a commonly used statistics portal in the research world but there are no easy ways (that I know of) to query it straight from R. There are two main benefits of querying OECD.Stat straight from R: 1. Create reproducible analysis (something that is easily lost if you have to download excel files) 2.

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Use GDAL from R Console to Split Raster into Tiles

March 1, 2014
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Use GDAL from R Console to Split Raster into Tiles

When working with raster datasets I often encounter limitations caused by the large size of the files. I thus wrote up a little R function that invokes gdal_translate which would split the raster into parts.The screenshot to the left shows a raster in QGIS that was split into four parts with the below script.## get filesnames...

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Individuals and Moving Range Charts in R

March 1, 2014
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Individuals and Moving Range Charts in R

Individuals and moving range charts, abbreviated as ImR or XmR charts, are an important tool for keeping a wide range of business and industrial processes in the zone of economic production, where a process produces the maximum value at the minimum costs. While there are many commercial applications that will produce such charts, one of

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“Statistical Models with R” Course – Milano, October 24-25, 2013

February 28, 2014
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“Statistical Models with R” Course – Milano, October 24-25, 2013

"Statistical Models with R" CourseMarch 27 and 28, 2014 Course description This two-day course shows a wide variety of statistical models with R ranging from Linear Models (LM) to Generalized Linear Models (GLM) modelling, in order to provide a broad … Continue reading →

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rMaps Mexico map

February 26, 2014
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rMaps Mexico map

It's exciting when great people help each other get things done This is a simple networking story, which not be surprising to some but I was happily surprised by it. This is how the story goes: Two weeks ago rMaps (Vaidyanathan, 2014) was released. After making a

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Create a GENCODE transcript database in R

February 25, 2014
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The following gist will help the researchers in creating the gencode transcript database using the bioconductor packages. I am assuming that the user's computer has preinstalled packages "GenomicRanges" and "GenomicFeatures". Following script has the f...

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Genetic data, large matrices and glmnet()

February 25, 2014
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Genetic data, large matrices and glmnet()

Recently talking to a colleague, had contact with a problem that I had never worked with before: modeling with genetic The post Genetic data, large matrices and glmnet() appeared first on Flavio Barros .

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