Using features of r

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  • R in Action is the first book to present both the R system and the use cases that make it such a compelling package for business developers. The book begins by introducing the R language, including the development environment. Focusing on practical solutions, the book also offers a crash course in practical statistics and covers elegant methods for dealing with messy and incomplete data using features of R.

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  • The SAUMER system uses specifications of natural language grammars, which consist of rules and metarules. to provide a semantic interpretation of an input sentence. The SAUMER ' Specification Language (SSL) is a programming language which c o m b i n ~ some of the features of generalised phrase structure grammars (Gazdar. 1981 ). like the correspondence between syntactic and semantic rules, with definite clause grammars (DCC-s) (Pereira and Warren. 1980) to create an executable g r a m m a r specification. ...

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  • NMR spectroscopy and X-ray crystallography have provi-ded important insight into structural features of phenyl-alanine hydroxylase (PAH) and tyrosine hydroxylase (TH). Nevertheless, significant problems such as the substrate specificity of PAHand the different susceptibility of TH to feedback inhibition by L-3,4-dihydroxyphenylalanine (L-DOPA) compared with dopamine (DA) remain unre-solved.

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  • G r a m m a r formalisms based on the encoding of grammatical information in complex-valued feature systems enjoy some currency both in linguistics and natural-language-processing research. Such formalisms can be thought of by analogy to context-free grammars as generalizing the notion of nonterminal symbol from a finite domain of atomic elements to a possibly infinite domain of directed graph structures nf a certain sort.

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  • ME-430 INTRODUCTION TO COMPUTER AIDED DESIGN TORSIONAL ANALYSIS Using Pro/MECHANICA Pro/ENGINEER Wildfire 2.0 Dr. Herli Surjanhata The U-Joint shown in the figure below is made of steel. A torsion load of 10,000 INLB is uniformly applied over the top portion surface of the U-Joint. Determine the von Mises stresses, and maximum deflection under the given torsion load and boundary conditions. Check the convergence of your analysis. Step 1: Using Pro/ENGINEER, create a base feature as shown in the Figure below. It is done by extruding both sides the section shown with 2 inches blind depth.

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  • In the preceding chapters you learned about the different report development tools available in the R/3 environment. This chapter introduces the basics of SAP’s programming language, Advanced Business Application Program (ABAP), which can be used to build custom reports. This chapter is structured differently than the others. It does not present all the features of ABAP—we leave that to the online documentation. Instead, we focus on helping you build an ABAP report using templates.

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  • HTML is a key part of the Internet. It has a short but extremely vibrant history. In order to understand what HTML5 is about, it’s useful to look at where it came from. The Internet (and the Web in particular) has been changing at a dizzying pace. HTML has been trying to keep up. When HTML was first devised, it comprised a handful of tags, and HTML did little more than determine how a page was laid out. As the Web matured, many features were added. Today’s Internet is still about documents, but it’s also about applications.

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  • This edition of Real World Photoshop is more tightly focused for the needs and demands of the professional digital photographers. From acquiring images to using an efficient processing workflow to maintaining image quality and final output quality all within the powerful feature set of Adobe Photoshop CS5. Coverage of new CS5 features includes: Refining Edges, Eyedropper tools, Merge to HDR, Content Aware Fill/Scale/Heal, and Lens Profile.

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  • Some features of a real world situation can be difficult to model using only the features of the E-R model that we have seen so far. • Some quite common concepts require extending the E-R model to incorporate mechanisms for modeling these features. Again, we won’t look at all of them, but rather an overview of some of the more important extensions.

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  • This paper investigates two elements of Maximum Entropy tagging: the use of a correction feature in the Generalised Iterative Scaling (Gis) estimation algorithm, and techniques for model smoothing. We show analytically and empirically that the correction feature, assumed to be required for the correctness of GIS, is unnecessary. We also explore the use of a Gaussian prior and a simple cutoff for smoothing. The experiments are performed with two tagsets: the standard Penn Treebank POS tagset and the larger set of lexical types from Combinatory Categorial Grammar. ...

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  • Object orientation has now invaded traditional relational database-management systems. Oracle™ without exception has included object-oriented features in its system. SQL is now richer due to these additional features. However, the object-oriented elements in Oracle™ will not be fully utilized without a proper database design. For example, a database application designed using a traditional database modeling, such as entity-relationship (E/R) modeling, will not be able to make use of most object-oriented features in Oracle™.

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  • We describe an implementation in Carpenter's typed feature formalism, ALE, of a discourse gramm a r of the kind proposed by Scha, Polanyi, et al. We examine their method for resolving parallelism-dependent anaphora and show that there is a coherent feature-structural rendition of this type of grammar which uses the operations of prwrity union and generalization.

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  • This paper presents a unification-based approach to Japanese honorifics based on a version of HPSG (Head-driven Phrase Structure Grammar)ll]121. Utterance parsing is based on lexical specifications of each lexical item, including honorifics, and a few general PSG rules using a parser capable of unifying cyclic feature structures. It is shown that the possible word orders of Japanese honorific predicate constituents can be automatically deduced in the proposed f r a m e w o r k w i t h o u t i n d e p e n d e n t l y specifying them....

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  • transformational gr, m m a r on the S-structure level. (See appendix for some examplesD Structures of that type seem to us very suited for further semantic interpretation, since they offer a level of syntactic structure which both expresses ~'~mmatical functions (which are defined ~onfigurationally) and constituent structure features which axe important for certain aspects of logical form as e.g.quantifier scoping.

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  • Chapter 27 - Bacteria and archaea. After studying this chapter you will be able to: Distinguish between the cell walls of gram-positive and gram-negative bacteria; state the function of the following features: capsule, fimbriae, sex pilus, nucleoid, plasmid, and endospore; explain how R plasmids confer antibiotic resistance on bacteria; explain the importance of/uses for prokaryotes.

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