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viinjo A1c

Oracle launches Advanced Analytics for R modeling language | Business Intelligence - In... - 0 views

  • It's available as an Oracle 11g database option and costs $23,000 per processor license.
    • viinjo A1c
       
      Oracle además de desarollar programas sobre R, también los comercializa, obteniendo un beneficio de ello.
  • It's not surprising that Oracle has moved to support R, which "has become a real ubiquitous force in advanced analytics," said Forrester Research analyst James Kobielus. "It's everywhere. Enterprise adoption of it has been growing steadily. When we ask our customers what they're using for statistical modeling they'll say SAS or [IBM's] SPSS, but they increasingly say R in the same breath."
    • viinjo A1c
       
      Oracle reafirma el uso en aumento del lenguaje R entre sus clientes
  • It's not surprising that Oracle has moved to support R, which "has become a real ubiquitous force in advanced analytics," said Forrester Research analyst James Kobielus. "It's everywhere. Enterprise adoption of it has been growing steadily. When we ask our customers what they're using for statistical modeling they'll say SAS or [IBM's] SPSS, but they increasingly say R in the same breath."
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  • It's not surprising that Oracle has moved to support R, which "has become a real ubiquitous force in advanced analytics," said Forrester Research analyst James Kobielus. "It's everywhere. Enterprise adoption of it has been growing steadily. When we ask our customers what they're using for statistical modeling they'll say SAS or [IBM's] SPSS, but they increasingly say R in the same breath."
  • adoption
  • It's not surprising that Oracle has moved to support R, which "has become a real ubiquitous force in advanced analytics," said Forrester Research analyst James Kobielus. "It's everywhere. Enterprise adoption of it has been growing steadily. When we ask our customers what they're using for statistical modeling they'll say SAS or [IBM's] SPSS, but they increasingly say R in the same breath."
  • It's not surprising that Oracle has moved to support R, which "has become a real ubiquitous force in advanced analytics," said Forrester Research analyst James Kobielus. "It's everywhere. Enterprise adoption of it has been growing steadily. When we ask our customers what they're using for statistical modeling they'll say SAS or [IBM's] SPSS, but they increasingly say R in the same breath."
  • It's available as an Oracle 11g database option and costs $23,000 per processor license.
    • viinjo A1c
       
      Oracle además de desarollar programas sobre R, también los comercializa, obteniendo un beneficio de ello.  Oracle reafirma el uso en aumento del lenguaje R entre sus clientes
Rafa Llopis

R aplicado a la psicología - 0 views

  • What makes R particularly powerful is that statisticians and statistically minded people around the world have contributed packages to the R Group and maintain a very active news group offering suggestions and help. The growing collection of packages and the ease with which they interact with each other and the core R is perhaps the greatest advantage of R
    • Rafa Llopis
       
      Esta web afirma que la mejor ventaja del lenguaje R es que es una comunidad abierta y que mejora constantemente.
  • Using R in 12 simple steps for personality research (These steps are not meant to limit what can be done with R, but merely to describe how to do the analysis for the most basic of research projects and to give a first experience with R). Install R on your computer or go to a machine that has it. Download the psych package as well as other recommended packages from CRAN using the install.packages function, or using the package installer in the GUI. To get packages recommended for a particular research field, use the ctv package to install a particular task view. Note, these first two steps need to be done only once! Activate the psych package or other desired packages using e.g., library(psych). This needs to be done every time you start R. Or, it is possible to modify the startup parameters for R so that certain libraries are loaded automatically. Enter your data using a text editor and save as a text file (perhaps comma delimited if using a spreadsheet program such as Excel or OpenOffice) Read the data file or copy and paste from the clipboard (using, e.g., read.clipboard). Find basic descriptive statistics (e.g., means, standard deviations, minimum and maxima) using describe. Prepare a simple descriptive graph (e.g, a box plot) of your variables. Find the correlation matrix to give an overview of relationships (if the number is not too great, a scatter plot matrix or SPLOM plot is very useful, this can be done with pairs.panels. If you have an experimental variable, do the appropriate multiple regression using stan- dardized or at least zero centered scores. If you want to do a factor analysis or principal components analysis, use the factanal or fa and principal function To score items and create a scale and find various reliability estimates, use score.items and perhaps omega. Graph the results.
    • Rafa Llopis
       
      Uso del lenguaje R para estudios psicológicos.
LaRuPu upv

Bioconductor - About - 0 views

  • Project Goals The broad goals of the Bioconductor project are: To provide widespread access to a broad range of powerful statistical and graphical methods for the analysis of genomic data. To facilitate the inclusion of biological metadata in the analysis of genomic data, e.g. literature data from PubMed, annotation data from Entrez genes. To provide a common software platform that enables the rapid development and deployment of extensible, scalable, and interoperable software. To further scientific understanding by producing high-quality documentation and reproducible research. To train researchers on computational and statistical methods for the analysis of genomic data
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    Uso de R en el campo de la bio estadística (análisis de datos sobre el genoma)
David Moya

What is R? | inside-R | A Community Site for R - 1 views

    • Carlos Espinosa
       
      R desallorador de análisis estadístico siendo sus principales funciones la manipulación de datos,modelo estadístico y un abanico de funciones del análisis de datos que necesites.R es una comunidad on-line abierta en crecimiento.
    • David Moya
       
      R es usado sobretodo para crear programas que realicen estadisticas, ya que fue creado para ello principalmente. Con el se pueden hacer análisis estadísticos, predicciónes, modelos... Tiene herramientas que permiten usar poco código para programar estas estadisticas y modelos. Además es un proyecto libre por lo que puedes tener acceso al código fuente y mejorarlo. Gracias a esto y a la gran comunidad que tiene, actualmente es de una gran calidad y tiene disponibles varios "add-on packages".
  • Complete data analyses can often be represented in just a few lines of code.
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  • R is a programming language: you do data analysis in R by writing scripts and functions in the R programming language. R is a complete, interactive, object-oriented language: designed by statisticians, for statisticians.
  • R is data analysis software: data scientists, statisticians, analysts, quants, and others who need to make sense of data use R for statistical analysis, data visualization, and predictive modeling.
  • R has benefited for over 15 years from the "many-eyes" approach to code improvement, and as a result has an extremely high standard of quality and numerical accuracy.
  • R is an open-source software project
  • you can download and use R for free, but the source code is also open for inspection and modification to anyone who wants to see how the methods and algorithms work under the covers.
  • R is an environment for statistical analysis: Available in the R language are functions for virtually every data manipulation, statistical model, or chart that the data analyst could ever need. Not only are all the "standard" methods available, but because most cutting-edge research in statistics and predictive modeling is done in R, the latest techniques are usually available first in the R system.
  • R was first created by Ross Ihaka and Robert Gentleman at the University of Auckland in 1993, and since then the project leadership has grown to include more than 20 leading statisticians and computer scientists from around the world. In addition, thousands of others have contributed additional functionality to the R language by creating add-on "packages" for use by the 2 million users of R worldwide.
Fran Marijuana

R: una herramienta poco difundida y muy útil para la investigación clínica - 2 views

  • Es conocida la existencia de una amplia variedad de paquetes estadísticos que se utilizan para el análisis de datos en la investigación clínica. Dentro de los más referenciados se destacan: STATISTICA, S-plus, SAS, SPSS, R y otros
  • Uno de los atractivos de R es que incluye un lenguaje de programación bien desarrollado, simple y efectivo, que admite condicionales, ciclos, funciones recursivas y posibilidad de entradas y salidas. Este lenguaje es orientado a objetos, muy parecido en su sintaxis a C/C++. Las facilidades de programación incluidas en R son muy amplias, lo que hace más eficiente la implementación de nuevos procedimientos, así como el uso reiterado de funciones existentes.
  • R: a not much spread and very useful tool for clinical research
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  • el uso de R para las investigaciones en diversas áreas de investigación clínica, y en particular para los ensayos clínicos, puede ser una opción muy tentadora.
  • some of its features and the major advantages offering its use in the clinical trials are showed. R is free, flexible and dynamic software with a wide variety of statistical techniques of fast incorporation and that make possible its application.
  • es un entorno donde una gran variedad de técnicas estadísticas son cada día implementadas.6 R puede incorporar librerías (rutinas) que contienen, desde técnicas no tan actuales, hasta lo más reciente de las investigaciones en el área de la estadística.
  • La comunidad de R en el mundo es muy amplia y la integran estadísticos de gran renombre (ej. J. Chambers, L. Terney, B. Ripley, D. Bates, etc.).
    • empresa 2013
       
      A partir de este punto sólo explica el funcionamiento del lenguaje. Estas explicaciones ya las tenemos en el bookmark del Manual.
    • Jorge Castro
       
      Introducción sobre R aplicado a los ensayos clínicos
    • Jorge Castro
       
      Introducciones de uso a R
    • Fran Marijuana
       
      R, una herramienta no muy conocida pero muy útil para la investigación clínica
    • Fran Marijuana
       
      R facilita la elaboración de informes finales y guarda la salida que proporciona cualquier función que se pueda manipular.
    • Fran Marijuana
       
      Un uso adecuado de R favorece la presentación de la información, la detección de errores y la rapidez.
    • Fran Marijuana
       
      R también es óptimo a la hora de mostrar gráficas, señales y la estadística (sobretodo investigaciones biomédicas)
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    R en investigación clínica
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    Este es un trabajo en el que explica las ventajas del lenguaje en R y sus funciones en la estadística.
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    Se trata de una breve explicación de una aplicación del lenguaje R en la rama de la medicina.
Juanjo Cristian

R, the Software, Finds Fans in Data Analysts - NYTimes.com - 0 views

  • R describe it  as a supercharged version of  Microsoft’s Excel
  • R describe it  as a supercharged version of Microsoft’s Excel
  • R describe it  as a supercharged version of Microsoft’s Excel
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  • R describe it  as a supercharged version of  Microsoft’s Excel
  • R describe it  as a supercharged version of
  • R describe it  as a supercharged version of  Microsoft’s Excel
  • R describe it  as a supercharged version of  Microsoft’s Excel
  • R describe it  as a supercharged version of  Microsoft’s Excel
  • is particularly useful because it contains a number of built-in mechanisms for organizing data, running calculations on the information and creating graphical representations of data sets.
  • familiar
  • familiar
  • It allows statisticians to do very intricate and complicated analyses without knowing the blood and guts of computing systems.”
  • It is also free.
  • R is an open-source program, and its popularity reflects a shift in the type of software used inside corporations
  • R describe it  as a supercharged version of Microsoft’s Excel
  • R is similar to other programming languages, like C, Java and Perl, in that it helps people perform a wide variety of computing tasks by giving them access to various commands.
  • Excel
  • Microsoft’s
  • version
  • supercharged
  • Some people familiar with R describe it
  • familiar
  • Mr. Gentleman is applying R-based software, called Bioconductor, in work he is doing on computational biology at the Fred Hutchinson Cancer Research Center in Seattle.
  • The popularity of R at universities could threaten SAS Institute, the privately held business software company that specializes in data analysis software. SAS, with more than $2 billion in annual revenue, has been the preferred tool of scholars and corporate managers.
  • Google, for example, taps R for help understanding trends in ad pricing and for illuminating patterns in the search data it collects.
  • Pfizer has created customized packages for R to let its scientists manipulate their own data during nonclinical drug studies rather than send the information off to a statistician.
  • R first appeared in 1996, when the statistics professors Ross Ihaka and Robert Gentleman of the University of Auckland in New Zealand released the code as a free software package.
    • Sébastien Sanchez
       
      Artículo en NYTimes que habla de la creciente implantación del lenguaje de programación R en el ámbito empresarial. Explica como cada vez más, grandes empresas como Google empiezan a emplear este lenguaje de programación para todo tipo de propósitos (investigación comercial, data mining…).
    • Juanjo Cristian
       
      El lenguaje de programación R ha cautivado a gran parte de los analistas de datos debido a su potencial en el ámbito de la estadística especialmente. También es usado por grandes empresas como Google o Bank of America y por estadistas y científicos.
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    Se trata de un artículo del New York Times en el que describe la historia del lenguaje y diferentes empresas que lo utilizan y los usos que le dan, como Google y Pfizer.
Foe Solitario

Técnicas estadísticas aplicadas a la investigación experimental - 0 views

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    Documento que establece el vínculo entre el entorno R y el método científico
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    Aborda el desarrollo y la valoración del método estadístico mediante R
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    El documento estaría asociado al marco de la estadística aplicada a la bioingeniería y las ciencias de la salud
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