R language function return

    • [PDF File] timeDate: Rmetrics - Chronological and Calendar Objects

      http://5y1.org/file/14819/timedate-rmetrics-chronological-and-calendar-objects.pdf

      The most forward procedure is to "timeDate" use one of the following functions: Creates a object from scratch, timeDate "timeDate". creates a sequence of objects, timeSequence "timeDate". creates a object from calendar atoms, timeCalendar "timeDate". returns the current date and time as a object.

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    • [PDF File] Nonlinear Optimization in R using nlopt

      http://5y1.org/file/14819/nonlinear-optimization-in-r-using-nlopt.pdf

      A general nonlinear optimization problem usually have the form. min f(x) x∈Rn. such that. g(x) ≤ 0. h(x) = 0. xL ≤ x ≤ xU. where f is an objective function, g defines a set of inequality constraints, h is a set of equality constraints. xL and xU are lower and upper bounds respectively. In the literature, several optimization algorithms ...

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    • [PDF File] Function Block Diagram (FBD) for S7-300 and S7-400 …

      http://5y1.org/file/14819/function-block-diagram-fbd-for-s7-300-and-s7-400.pdf

      Function Block Diagram (FBD) for S7-300 and S7-400 Programming 4 Reference Manual, 05/2010, A5E02790131-01 Requirements To use the Function Block Diagram manual effectively, you should already be familiar with the theory behind S7 programs which is documented in the online help for STEP 7. The language packages also

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    • [PDF File] Top-level Task Callbacks in R

      http://5y1.org/file/14819/top-level-task-callbacks-in-r.pdf

      It is pretty trivial to write a function to do this taking an arbitrary number of function arguments and a list of user-level data. However, there is a much simpler way to do this that uses R a single R function to manage the R-level callbacks. That is the topic of the next (sub) section. 1.4 An R Handler Handler

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    • [PDF File] plyr: Tools for Splitting, Applying and Combining Data

      http://5y1.org/file/14819/plyr-tools-for-splitting-applying-and-combining-data.pdf

      The plyr package is a set of clean and consistent tools that implement the split-apply-combine pattern in R. This is an extremely common pattern in data analysis: you solve a complex problem by breaking it down into small pieces, doing something to each piece and then combining the results back together again.

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    • [PDF File] PerformanceAnalytics: Econometric Tools for Performance and …

      http://5y1.org/file/14819/performanceanalytics-econometric-tools-for-performance-and.pdf

      split between that function and Return.rebalancing. The function will subset the return series to only include returns for assets for which weights are provided. Returns and risk may be annualized as a way to simplify comparison over longer time periods. Although it requires a bit of estimating, such aggregation is popular because it offers a ...

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    • [PDF File] MATC Manual - FUNET

      http://5y1.org/file/14819/matc-manual-funet.pdf

      A call to corresponding C-language function is made. vec = sscanf(str,fmt) Return values from str using format fmt. A call to corresponding C-language function is made. ... r = ones(n,m) Return n by m matrix with elements initialized to one. r = rand(n,m) Return n by m matrix with elements initialized with random numbers from zero to one.

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    • [PDF File] Exposing C++ functions and classes with Rcpp modules

      http://5y1.org/file/14819/exposing-c-functions-and-classes-with-rcpp-modules.pdf

      The requirements for a function to be exposed to R via Rcpp modules are: • The function takes between 0 and 65 parameters. • The type of each input parameter must be manageable by the Rcpp::as template. • The return type of the function must be either void or any type that can be managed by the Rcpp::wrap template.

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    • [PDF File] R Language Definition - The Comprehensive R Archive Network

      http://5y1.org/file/14819/r-language-definition-the-comprehensive-r-archive-network.pdf

      R is a system for statistical computation and graphics. It provides, among other things, a pro-gramming language, high level graphics, interfaces to other languages and debugging facilities. This manual details and defines the R language. The R language is a dialect of S which was designed in the 1980s and has been in widespread

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    • [PDF File] Four Column layout Cheat Sheet - RStudio

      http://5y1.org/file/14819/four-column-layout-cheat-sheet-rstudio.pdf

      R has three object oriented systems : 1. S3 is a very casual system. It has no formal definition of classes. It implements generic function OO. • Generic-function OO - a special type of function called a generic function decides which method to call. • Message-passing OO - messages (methods) are sent to objects and the object

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    • [PDF File] Extending R with C++: A Brief Introduction to Rcpp

      http://5y1.org/file/14819/extending-r-with-c-a-brief-introduction-to-rcpp.pdf

      core facets of what “makes” R are carried over from the previous book. The first states what R is composed of: Everything that exists in R is an object. The second states how these objects are created or altered: Everything that happens in R is a function call. A third statement is now added: Interfaces to other software are part of R.

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    • [PDF File] R Programming Cheat Sheet - Data Science Free

      http://5y1.org/file/14819/r-programming-cheat-sheet-data-science-free.pdf

      base R or other packages. Function arguments When calling a function you can specify arguments by position, by complete name, or by partial name. Arguments are a character vector giving matched first by exact name (perfect matching), then by prefix canmatching, and finally by position. • Function arguments are passed by reference and …

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    • [PDF File] Association between language function and body composition ...

      http://5y1.org/file/14819/association-between-language-function-and-body-composition.pdf

      cognitive, language, and functional characteristics of the participants are summarized in Table 1. Correlation analysis of body composition and language function AQ score of the WAB was significantly correlated with SMI (r=0.286, p=0.036), body fat percentage (r=-0.320, p=0.018), MRC-sum score (r=0.504, p=0.000), MRC-sum score of unaffected side

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    • [PDF File] An Introduction to R - The Comprehensive R Archive Network

      http://5y1.org/file/14819/an-introduction-to-r-the-comprehensive-r-archive-network.pdf

      Most R novices will start with the introductory session in Appendix A. This should give some familiarity with the style of R sessions and more importantly some instant feedback on what actually happens. Many users will come to R mainly for …

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    • [PDF File] MELSEC-Q/L/F Structured Programming Manual (Fundamentals)

      http://5y1.org/file/14819/melsec-q-l-f-structured-programming-manual-fundamentals.pdf

      Operations in each programming language For details of instructions used in each programming language, refer to the following. Page 9 Details of instructions in each programming language *1 MELSAP3 and FX series SFC only Purpose Summary Detail Installation Learning the operating environment and installation method

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    • [PDF File] R Language Definition - The Comprehensive R Archive Network

      http://5y1.org/file/14819/r-language-definition-the-comprehensive-r-archive-network.pdf

      R is a system for statistical computation and graphics. It provides, among other things, a pro-gramming language, high level graphics, interfaces to other languages and debugging facilities. This manual details and defines the R language. The R language is a dialect of S which was designed in the 1980s and has been in widespread

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    • [PDF File] The R language – a short companion

      http://5y1.org/file/14819/the-r-language-a-short-companion.pdf

      The R language – a short companion This companion is essentially based on the documents „An Introduction to R“ and „R language definition“, both version 1.7.1, ... May also serve as function arguments or function return values, e.g.: g <- function(f) function(v) sum(f(v)).

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    • [PDF File] Assembly Language: Function Calls - Princeton University

      http://5y1.org/file/14819/assembly-language-function-calls-princeton-university.pdf

      Assembly Language: Function Calls" Jennifer Rexford! 2 Goals of this Lecture" • Function call problems:! • Calling and returning! ... R: # Function R … jmp *%eax # Return • Attempted solution 2: Store return address in register! Special form …

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    • [PDF File] Extending R with C++: A Brief Introduction to Rcpp

      http://5y1.org/file/14819/extending-r-with-c-a-brief-introduction-to-rcpp.pdf

      core facets of what “makes” R are carried over from the previous book. The first states what R is composed of: Everything that exists in R is an object. The second states how these objects are created or altered: Everything that happens in R is a function call. A third statement is now added: Interfaces to other software are part of R.

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    • [PDF File] Examples of Maximum Likelihood Estimation and Optimization in R

      http://5y1.org/file/14819/examples-of-maximum-likelihood-estimation-and-optimization-in-r.pdf

      1 − 1 × xi − μ 2 e( (xi−μ)2 2σ2 ( 2σ2 ) ( ) , so this can be rewritten as ). It is important to recognize that if we have a base number, raised to a power, multiplied by the same base number, raised to a different power, this is equal to the base raised to the sum of the two powers. For example. 2 3 2+3 5 × × × × × .

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    • [PDF File] An Introduction to the .C Interface to R - Johns Hopkins …

      http://5y1.org/file/14819/an-introduction-to-the-c-interface-to-r-johns-hopkins.pdf

      If we want to interface C code with R, the functions we write in C need to have a few important properties: 1. C functions called by R must all return void, which means they need to return the results of the computation in their arguments. 2. All arguments passed to the C function are passed by reference, which means we pass a pointer to a ...

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    • [PDF File] Calling C Functions in R and Matlab - University of California, …

      http://5y1.org/file/14819/calling-c-functions-in-r-and-matlab-university-of-california.pdf

      an output argument, and your C function can not return a value. The second method, based on an R function called .Call allows you to pass R objects into the C envi-ronment and provides macros and functions to extract the information you need from these objects. When using this mechanism, your function can return an R object directly.

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    • [PDF File] Programming in Karel - Stanford University

      http://5y1.org/file/14819/programming-in-karel-stanford-university.pdf

      Karel the Robot was developed by Rich Pattis in the 1970s when he was a graduate student at Stanford. In 1981, Pattis published Karel the Robot: A Gentle Introduction to the Art of Programming, which became a best-selling introductory text. Pattis chose the name Karel in honor of the Czech playwright Karel Capek, ˇ.

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    • [PDF File] DBI: R Database Interface

      http://5y1.org/file/14819/dbi-r-database-interface.pdf

      constructor must be exported, and it must be a function that is callable without arguments. DBI recommends to define a constructor with an empty argument list. Author(s) Maintainer: Kirill Müller <kirill@cynkra.com> (ORCID) Authors: •R Special Interest Group on Databases (R-SIG-DB) •Hadley Wickham Other contributors: •R Consortium ...

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