inverse of a matrix and saves it ## to the cache such that the next time the user attempts to calculate the ## matrix inverse‚ the previously saved value is returned instead of ## repeating the calculation. ## This function creates a special "matrix" object‚ which is really a list ## containing a function to ## 1. set the value of the matrix ## 2. get the value of the matrix ## 3. set the value of the inverse ## 4. get the value of the inverse makeCacheMatrix <- function(x = matrix()) {
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Package ‘randomForest’ February 20‚ 2015 Title Breiman and Cutler ’s random forests for classification and regression Version 4.6-10 Date 2014-07-17 Depends R (>= 2.5.0)‚ stats Suggests RColorBrewer‚ MASS Author Fortran original by Leo Breiman and Adele Cutler‚ R port by Andy Liaw and Matthew Wiener. Description Classification and regression based on a forest of trees using random inputs. Maintainer Andy Liaw <andy_liaw@merck.com> License GPL (>= 2) URL http://stat-www.berkeley.edu/users/breiman/RandomForests
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Requirements Traceability Matrix and Risk Assessment Brandy Bowser MSPM-6180 Walden University Dr. Petrina Woods-Shatteen February 10‚ 2013 Abstract Requirements traceability involves linking a requirement backwards to an actual business need and forwards to the ending product or service. Requirements are also linked to other requirements (Kerton‚ 2011). Requirements traceability benefits an organization by allowing it to improve scope management‚ improve test coverage
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Fault-Tolerant Observers Supervisor: Dr Imad M. Jaimoukha Designing of a robust fault-tolerant observer that guarantees a certain level of performance for real-time applications. By: YEO Zhi-Wei‚ Laurence 00566245 Overview For any system such as a factory plant‚ an aircraft jet engine system or a water pumping system‚ it can be replicatedi by a mathematical model which includes the affecting dynamics based on observations and assumptions. However‚ it would be practically challenging
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Matrix Organizational Structure: Advantages‚ Disadvantages & Examples A matrix organizational structure is one of the most complicated reporting structures a company can implement. Read on to learn why a company might implement a matrix structure‚ and the advantages and disadvantages for both company and staff. A matrix organizational structure is a company structure in which the reporting relationships are set up as a grid‚ or matrix‚ rather than in the traditional hierarchy. In other words
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Windshield Survey Lisa B NUR/405 Nov 5‚ 2012 Windshield Survey My view of a windshield survey starts by me viewing my community through the windshield of a moving vehicle‚ which maybe my car‚ the bus or the trolley. Windshield surveys are the motorized equivalent of simple observation (Stanhope & Lancaster‚ 2012). The visual information that was gathered is aimed at what I see every day as I pass through a community that was once so safe‚ clean‚ family oriented and thriving with
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Star: Star denotes high market growth and high relative market share in the industry. This position defends when the organization invest large amount in this segment. There is decrease in the growth when compared to last year‚ so this is the reason scooter comes under star category. Cash cow: Cash cow denotes low market growth and high relative market share in the industry. In moped sector it is the major contribution to the market share because moped have more advantages like low cost when compared
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In the 1999 Wachowski brothers movie The Matrix the main character Thomas Anderson is played by Keanu Reeves. This is a character who is portrayed as a very god like figure also known as “The one” and Neo. Thomas Anderson is trying to find out more about this thing called the matrix and to do so he must first find Morpheus who has called Thomas before over the phone and talked about the matrix‚ Thomas will achieve this by attempting to look for the matrix and Morpheus in the internet until he can
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Transform. But a direct proof of orthogonality‚ by calculating inner products‚ does not reveal how natural these cosine vectors are. We prove orthogonality in a different way. Each DCT basis contains the eigenvectors of a symmetric “second difference” matrix. By varying the boundary conditions we get the established transforms DCT-1 through DCT-4. Other combinations lead to four additional cosine transforms. The type of boundary condition (Dirichlet or Neumann‚ centered at a meshpoint or a midpoint) determines
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This phase consists of different subphases‚ which can last up to 4 weeks in the clean and uncontaminated wound. These sub phases do not happen in discrete time frames but constitute an overall and ongoing process. The sub phases are "fibroplasia‚ matrix deposition‚ angiogenesis and re-epithelialization" (Cho & Lo‚ 1998). The first sub phase of granulation process is fibroplasia. In days 5-7‚ fibroblasts have migrated into the wound‚ laying down new collagen of the subtypes I and III. In normal
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