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#Taply count function manual#
#Taply count function software#

#Taply count function software#

Next: R and statistics, Previous: The R environment, Up: Introduction and preliminaries 1.2 Related software and documentation R are essentially ephemeral, written for a single piece of data It has developed rapidly, and has been extended by a R is very much a vehicle for newly developing methods of interactiveĭata analysis. Very specific and inflexible tools, as is frequently the case with other Planned and coherent system, rather than an incremental accretion of The term “environment” is intended to characterize it as a fully (Indeed most of the system suppliedįunctions are themselves written in the S language.) Which includes conditionals, loops, user defined recursive functions and

a well developed, simple and effective programming language (called ‘S’).

graphical facilities for data analysis and display either directly at.

a large, coherent, integrated collection of intermediate tools for data.

a suite of operators for calculations on arrays, in particular matrices,.

an effective data handling and storage facility,.

Manipulation, calculation and graphical display. R is an integrated suite of software facilities for data Next: Related software and documentation, Previous: Introduction and preliminaries, Up: Introduction and preliminaries 1.1 The R environment Until all the preceding sections have been digested. See Graphical procedures, which can be read at almost any time and need not wait Many users will come to R mainly for its graphical facilities. This should give some familiarity with the style of R sessionsĪnd more importantly some instant feedback on what actually happens. Most R novices will start with the introductory session in AppendixĪ. In this way, and for being a supporter of R from way back.Ĭomments and corrections are always welcome. We would like to extend warm thanks to Bill Venables (and David Smith)įor granting permission to distribute this modified version of the notes R and S programs, and expanded some of the material. Have made a number of small changes to reflect differences between the Smith when at the University of Adelaide. This introduction to R is derived from an original set of notesĭescribing the S and S-PLUS environments written in 1990–2 byīill Venables and David M. Next: Introduction and preliminaries, Previous: An Introduction to R, Up: An Introduction to R Preface

12.6.1 PostScript diagrams for typeset documents.

12.4.2 Temporary changes: Arguments to graphics functions.

12.4.1 Permanent changes: The par() function.

12.1.4 Arguments to high-level plotting functions.

11.7 Nonlinear least squares and maximum likelihood models.

11.4 Analysis of variance and model comparison.11.3 Generic functions for extracting model information.11.1 Defining statistical models formulae.10.9 Classes, generic functions and object orientation.10.6.2 Dropping all names in a printed array.10.6.1 Efficiency factors in block designs.9.2.2 Repetitive execution: for loops, repeat and while.9.2.1 Conditional execution: if statements.9 Grouping, loops and conditional execution.8.2 Examining the distribution of a set of data.7.3.1 Loading data from other R packages.5.9 The concatenation function, c(), with arrays.5.8 Forming partitioned matrices, cbind() and rbind().5.7.5 Least squares fitting and the QR decomposition.

5.7.4 Singular value decomposition and determinants.5.4.1 Mixed vector and array arithmetic.4.2 The function tapply() and ragged arrays.3.1 Intrinsic attributes: mode and length.2.7 Index vectors selecting and modifying subsets of a data set.2 Simple manipulations numbers and vectors.1.11 Data permanency and removing objects.1.10 Executing commands from or diverting output to a file.1.9 Recall and correction of previous commands.1.7 Getting help with functions and features.Into another language, under the above conditions for modified versions,Įxcept that this permission notice may be stated in a translation

#Taply count function manual#

Permission is granted to copy and distribute translations of this manual Manual under the conditions for verbatim copying, provided that theĮntire resulting derived work is distributed under the terms of a Permission is granted to copy and distribute modified versions of this Manual provided the copyright notice and this permission notice are Permission is granted to make and distribute verbatim copies of this This manual provides information on data types, programming elements,Ĭopyright © 1992 W. (linear and nonlinear modelling, statistical tests, time seriesĪnalysis, classification, clustering. It provides a wide variety of statistical and graphical techniques System, which was developed at Bell Laboratories by John Chambers et al. This is an introduction to R (“GNU S”), a language and environment for