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- Test for Linearity Between Continuous Confounder and Binary Outcome First, Run a Multivariate Regression Analysis Second
- Previous statistical studies have indicated that dichotomizing a continuous confounding variable in multivariate regression analyses can lead to biased estimation of the effect of exposures, treatments, and risk factors on outcomes. The paper suggests that, prior to entry in the multivariate analysis, one should test whether or not the continuous...
- Tags: Outcome, Regression, Analysis, Linearity Assumption
- White papers 2009-02-27
- The Problem of Regression Assumptions and the Use of Predictive Modeling
- Predictive modeling includes regression, both logistic and linear, depending upon the type of outcome variable. However, as the datasets are generally too large for a p-value to have meaning, predictive modeling uses other measures of model fit. Generally, too, there are enough observations so that the data can be partitioned...
- Tags: Regression, Subset, Model, Modeling, Research & Development, Business Operations
- White papers 2009-02-27
- Least Squares â€Â" Line Fitting 1.0 (Mac)
- Least Squares accepts data points and computes a line fit to that data (linear model, linear regression analysis) and shows it on a graph. Features: Least Squares has a concise and elegant user interface that shows how a focused single-purposed application can be used to learn about regression and...
- Tags: Data Analysis, Apple Macintosh, User Interface, Regression, VVI, Vvidget Code, Productivity, Databases, Enterprise Software, Software, Data Management
- Software downloads 2008-07-07
- Updates to SAS Power and Sample Size Software in SAS/STAT 9.2
- Procedures for power analysis and sample size determination were introduced in SAS/STAT 9.1 along with a Web application for performing these analyses. SAS/STAT 9.2 adds analyses for several new designs, enhances some existing analyses, and replaces the Web application with a desktop application for your PC. The new analyses include...
- Tags: Software, Regression, SAS Institute, SAS/STAT 9.2
- White papers 2008-03-13
- Count Data Models in SAS
- Poisson regression has been widely used to model count data. However, it is often criticized for its restrictive assumption of equi-dispersion, meaning equality between the variance and the mean. In real-life applications, count data often exhibits over-dispersion and excess zeroes. While Negative binomial regression is able to model count data...
- Tags: Regression, SAS Institute, Research & Development, Business Operations
- White papers 2008-03-13
- ForeStock 1.1 (Windows)
- Collection of advanced forecasting algorithms: ARIMA with automatic best parameter set search and smart seasonal trend detection. Stepwise multivariate regression with the selection of the best regression subset. Proven back history. Full intraday capable. Real-time speed in model training. Ready to use professional style expert advisors, indicators and system testers....
- Tags: Regression, Microsoft Windows, Forecasting, Econom-Expert, Sales Force Management, Sales
- Software downloads 2008-03-07
- DRS 2008 (Windows)
- Least Cubic Method is a new method for data regression analysis. Its expanded Least Square Method, according to the principle, can also apply single factor linear data regression, multi factors linear data regression, single factor non-linear data regression, and multi factors non-linear data regression. This version is the first release...
- Tags: Regression, Data Regression, Microsoft Windows, Operating Systems, Software
- Software downloads 2008-01-28
- MxCalc 10BII - Windows Mobile Calculator (Mobile)
- The best Financial Business Calculator software for your Windows Mobile Pocket PC Touch Screen ~ Looks as good as the HP-10BII ~ Performs as good as the HP-10BIIand more ..Calculate loan payments, interest rates, amortization, discounted cash flow analysis, interest rate conversions, standard deviation, percent, percent change, mark-up as...
- Tags: Microsoft Windows Mobile, Mobile, Interest Rate, Deviation, Cash Flow, Regression, Microsoft Windows, Amortization, Forecasting, 3GR Technologies, Financial Planning, Financial Services, Operational Accounting, Finance
- Software downloads 2007-11-25
- MxCalc 10BII - Financial Calculator for Windows Mobile (Mobile)
- The best Business Financial Calculator software for Windows Mobile Pocket PC~ Looks as good as the HP-10BII ~ Performs as good as the HP-10BIIand more ..Calculate loan payments, interest rates, amortization, discounted cash flow analysis, interest rate conversions, standard deviation, percent, percent change, mark-up as a percent of...
- Tags: Financial, Microsoft Windows Mobile, Mobile, Interest Rate, Deviation, Cash Flow, Regression, Microsoft Windows, Amortization, Forecasting, 3GR Technologies, Financial Planning, Financial Services, Operational Accounting, Finance
- Software downloads 2007-11-25
- MxCalc Business Calculator 1 (Mobile)
- ~Looks as good as the HP-10BII~Performs as good as the HP-10BII. Calculate loan payments, interest rates, amortization, discounted cash flow analysis, interest rate conversions, standard deviation, percent, percent change, mark-up as a percent of cost price, margin as a percent of price, forecasting based on linear regression & many other...
- Tags: Mobile, Interest Rate, Deviation, Regression, Amortization, 3GR Technologies, Financial Planning, Financial Services, Finance
- Software downloads 2007-06-27
- A Regression-Based Analytic Model for Dynamic Resource Provisioning of Multi-Tier Applications
- The multi-tier implementation has become the industry standard for developing scalable client-server enterprise applications. Since these applications are performance sensitive, effective models for dynamic resource provisioning and for delivering quality of service to these applications become critical. Workloads in such environments are characterized by client sessions of interdependent requests with...
- Tags: Client-server, Regression, Provisioning, IEEE, Servers, Hardware
- White papers 2007-06-16
- Using SAS Proc NLMIXED for Robust Regression
- This paper shows how the NLMIXED procedure can be used to fit linear models (simple linear regression, multiple linear regression, analysis of variance and analysis of covariance) when data are not normally distributed or contaminated with potential outliers. This is accomplished using PROC NLMIXED's capability of fitting user defined distributions...
- Tags: Regression, SAS Institute
- White papers 2007-05-14
- Variable Screening for Multinomial Logistic Regression on Very Large Data Sets as Applied to Direct Response Modeling
- Beginning with version 8.2 SAS supports multinomial logistic regression as part of PROC LOGISTIC. As a direct response modeling provider, the authors have found that multinomial logistic regression models often provides with the best solutions. However, using multinomial logistic regression presents some challenges. Programmers are often faced with very large...
- Tags: Regression, SAS Institute, Modeling, Research & Development, Business Operations
- White papers 2007-05-14
- Regression Splines With Longitudinal DATA
- To account for the longitudinal nature of the data, a mixed model analysis implemented using SAS PROC MIXED is commonly used. It is typical to make comparisons between dose or treatment groups, possibly controlling for demographic variables. When the dose response curve is non-linear, it can be difficult to find...
- Tags: Regression, SAS Institute
- White papers 2007-05-14
- Regression Testing
- Testers are under an obligation to carry out regression testing. This is not an obligation to be taken lightly! Failure to address this obligation has lead to many products being released with defects that should have been caught. Defects that would have been caught had the right regression testing strategy...
- Tags: Regression, Obligation, Traq Software, Strategy, Management
- White papers 2006-08-07
- The Unscrambler 9.6 (Windows)
- The Unscrambler is the complete multivariate analysis and experimental design software, equipped with powerful methods including PCA, Multivariate Curve Resolution MCR, PLS regression, 3-Way PLS regression, Clustering (K-Means), SIMCA and PLS-DA Classification etc. Extensively used across a wide range of research and industrial applications including advanced Chemometrics, Spectroscopy and cutting-edge...
- Tags: Regression, CAMO Software, Unscrambler, Product Development, Roi/Tco, Research & Development, Quality, Microsoft Windows, Tools & Techniques, Product Marketing, Business Operations, Finance, Managerial Accounting, Operating Systems, Software, Management, Marketing
- Software downloads 2006-05-28
- MacPotthoff 2.1 (Mac)
- Simultaneous and separate tests of regression slopes for test bias analysis.
- Tags: Apple Macintosh, Regression, Ed & Psych Associates, Desktops, Hardware
- Software downloads 2006-05-22
- Fast Statistics 2.0.3 (Windows)
- Fast Statistics is an easy to use Statistical and Graphical Analysis tool for MS Excel , it can work as an Excel add-in, perform from basic data manipulations to the most advanced statistical analyses and produce sophisticated reports and charts. This is a ideal tool for Six Sigma, descriptive statistics,...
- Tags: Regression, Microsoft Windows, Fate Software, Microsoft Excel, Research & Development, Microsoft Office, Office Suites, Software, Business Operations
- Software downloads 2006-03-22
- Judging a POD opportunity
- Judging a POD opportunityWhat about the software?You have a Windows based eCommerce application that will magically make itself run on Solaris?Even if it's a cross-platform technology like Java, it will still need to be regression tested on the new platform, and it's pretty easy to burn through $10,000 on regression...
- Tags: Tools & Techniques, Web technology, Servers, Processors, software, regression, e-business, Intel Xeon
- Discussion threads 2006-01-17
- The Linux patch management challenge
- The Linux patch management challengechallenge?How hard is it to occasionally run a system update (apt-get, yum, or whatever you prefer) and subscribe to the announcement lists of any software you use that didn't come from a repository?Watch that middle stepThe ugliest part of [b]any[/b] patch management process is the qualification...
- Tags: OPEN SOURCE, UNIX, Operating systems, Patches, Now IT, God, Linux, regression, Linux Patch Management, patch management, software
- Discussion threads 2005-07-15
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