1294 search results for "how to import image file to R"

Size of XDF files using RevoScaleR package

September 22, 2016
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Size of XDF files using RevoScaleR package

It came to my attention that size of XDF (external data frame) file can change drastically based on the compute context and environment. When testing the output of a dataset I was working on in SQL Server Management Studio I was simultaneously testing R code in RTVS or  R Studio and I have noticed a … Continue...

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Time Averages of NetCDF files from ECMWF in ArcGIS with R-Bridge

July 8, 2016
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Time Averages of NetCDF files from ECMWF in ArcGIS with R-Bridge

With this post I would like to talk again about R-Bridge, which allows a direct communication between ArcGIS and R.In the previous post, I presented a very simple application of R-Bridge where I built a toolbox to perform k-means clustering on point sh...

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Use your .Rprofile to give you important notifications

June 23, 2016
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Use your .Rprofile to give you important notifications

In R, we can use a file called .Rprofile to do things in R based on a number of triggers. One thing I’ve done is give myself a DIY notification of how many data breaches I’ve been involved in! First of all, you need a file called .Rprofile that’s stored in your working directory. Some The post

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Importing CSV data using T-SQL and R

June 18, 2016
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Importing CSV data using T-SQL and R

Several ways exists to import CSV (excel) data into your SQL Server Database. One is of course, using SSIS. The other one – similar to SSIS – is using import/export function in SSMS. With wizard, you will be able to import data. Futher on, BULK INSERT (BCP) statement is to all DBA and developers very

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Images as x-axis labels

June 2, 2016
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Images as x-axis labels

Open-source software is awesome. If I found that a piece of closed-source software was missing a feature that I wanted, well, bad luck. I probably couldn't even tell if was actually missing or if I just didn't know about it....Continue Reading →

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Feather: fast, interoperable data import/export for R

May 23, 2016
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Feather: fast, interoperable data import/export for R

Unlike most other statistical software packages, R doesn't have a native data file format. You can certainly import and export data in any number of formats, but there's no native "R data file format". The closest equivalent is the saveRDS/loadRDS function pair, which allows you to serialize an R object to a file and then load it back into...

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Advanced Analytics Software’s Most Important Feature? Gartner Says it’s VCF

Advanced Analytics Software’s Most Important Feature? Gartner Says it’s VCF

The IT research firm, Gartner, Inc. has released its February 2016 report, Magic Quadrant for Advanced Analytics Platforms. The report’s main graph shows the completeness of each company’s vision plotted against its ability to achieve that vision (Figure 1.) I … Continue reading →

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A Million Text Files And A Single Laptop

January 28, 2016
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A Million Text Files And A Single Laptop

More often that I would like, I receive datasets where the data has only been partially cleaned, such as the picture on the right: hundreds, thousands…even millions of tiny files. Usually when this happens, the data all have the same format (such as having being generated by sensors or other memory-constrained devices). The problem with data

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Data Science Radar – Technologist Profile

December 14, 2015
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Data Science Radar – Technologist Profile

    by Mark Sellors, Mango Solutions @sellorm  Mark Sellors from Mango took the Data Science Radar Challenge and his dominant skill was a Technologist, so we asked him a few questions. 1.  Tell us a bit about your background … Continue reading →

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Maintaining a database of price files in R

December 13, 2015
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Maintaining a database of price files in R

Doing quantitative research implies a lot of data crunching and one needs clean and reliable data to achieve this. What is really needed is clean data that is easily accessible (even without an internet connection). The most efficient way to do this for me has been to maintain a set of csv files. Obviously this

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