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Frequently Asked Questions

Question: Can PROC MIXED provide an R-squared type of variance explanation?

Answer: No. PROC MIXED does not calculate an R-squared statistic. There is no corresponding measure that can be calculated from the likelihood statistics that MIXED generates. See similar questions...

Question: Can PROC GLM (or PROC REG) provide standardized parameter estimates?

Answer: The parameter estimates in PROC GLM and PROC REG are not standardized. To obtain standardized parameter estimates, first standardize the variables to be used in PROC GLM or PROC REG, and then the parameter estimates will be standardized. See similar questions...

Question: Can PROC MIXED be used with a binary (e.g., yes/no) dependent variable?

Answer: PROC MIXED should only be used when the dependent variable is defined as a continuous variable. For Logistic models with a binary response variable for fixed effects panel data, either PROC LOGISTIC or PROC GENMOD can be used. For Logistic models with a binary response for random effect panel data or other HLMs on binary data, SAS recommends the use of the %GLIMMIX macro. See similar questions...

Can R-squared be interpreted as the percent of the cases explained?

PA 765: Multiple Regression
No. Sometimes one reads an author saying that because R2 is .40, therefore 40% of the cases will be correctly predicted by the regression equation and 60% not. However, the coefficient of determination has no such goodness-of-classification-interpretation. Rather R2 decomposes the total variation. See similar questions...

What is the importance of r-squared for tagSNP selection?

QuickSNP Version 1.1
The tagSNP selection is based on the extent of LD between the pairs of SNPs. This level of LD is measured in terms of an r-squared value and hence, varying values for r-squared will yield varying numbers of SNPs in the QuickSNP output. When r-squared=1 for two SNPs, they are said to be in perfect LD (and these two markers are redundant for genotyping), whereas an r-squared=0 indicates no LD. An r-squared of 0. See similar questions...

Do you provide Explanation of Benefits?

RadMax - Radiation Oncology and Radiology Billing Outsourcin...
Explanations of Benefits (EOBs) are provided by insurance companies, but we do house all EOB copies at our facility for secondary billing. If you need a copy for any reason, we can get one to you. See similar questions...

What is a proc?

snitfaq - Snit's Not Incr Tcl, OO system
A Snit proc is really just a Tcl proc defined within the type's namespace. You can use procs for private code that isn't related to any particular instance. See similar questions...

Question: What is an EOB or Explanation of Benefits?

FAQs
Answer: An explanation of benefits is sent to your home after you have received services from either your doctor, hospital,dentist, etc. This explains to you what benefits were paid from your plan on either yourself or the member of your family that had the services rendered. This is not a bill, and should not be confused with one. You will see the column that states "you pay". That column represents the amount you owe to your doctor, hospital, etc. See similar questions...

How can I access an explanation to the Question of the Day?

GMAT Prep | Bell Curves - GMAT Frequently Asked Questions
An explanation for the question of the day can be accessed after you have answered the question by entering the question id number (QID) in the question search box on the left side of your main log in screen. See similar questions...

What type of support - if any - do you provide if I have a problem or question?

Google AdSense Earnings Monitor - GEM
If you need support, use the feedback form on this website to tell us of your issue. That's all there is to it. GEM will be working right away! See similar questions...

Question: What type of service do these girls provide?

Tony's Finest Escorts
Answer: Every girl has their own limits and types of service they can provide. Some can provide exotic dancing, some offer sensual massages, some will be able to attend restaurant dinners and casino events with you. It's mainly a matter for you to discuss directly with the girl. We do try to promise that everyone will have a great time. Please do not offend these girls by offering cash directly for the purposes of sex. See similar questions...

Question: What type of care do your caregivers provide?

WHITSYMS NURSING SERVICE
Our caregivers provide individual care with special attention to details. Our Aides assist with activities of daily living such as; bathing, dressing and light housekeeping, while Registered Nurses and Licensed Practical Nurses perform skilled care. We also offer companion, escort and nursing services. See similar questions...

Question 5. What are Masked Variance Unites (MVUs) and why do we need them in analyses?

NHANES Web Tutorial::Frequently Asked Questions (FAQs)
Answer: Primary Sampling Units (PSU) are selected from strata defined by geography and proportions of minority populations. Most strata contain two PSUs. Together, these strata and the PSUs represent the variance units (sampling units used to estimate sampling error). To protect the confidentiality of data obtained from sample persons, Masked Variance Units (MVU) are constructed. MVUs are equivalent to Pseudo-PSUs used to estimate sampling errors in past NHANES. See similar questions...

Question 3. How do you estimate the impact of a complex sample design on variance estimates?

NHANES Web Tutorial::Frequently Asked Questions (FAQs)
Answer: The impact of the complex sample design upon variance estimates is measured by the design effect (DEFF). It is defined as the ratio of the variance of a statistic which accounts for the complex sample design to the variance of the same statistic based on a hypothetical simple random sample of the same size. Answer: For complex sample surveys, exact mathematical formulas for variance estimates are usually not available. See similar questions...

What type of service do you provide?

FAQS
Our standard service includes a complete computer tune-up, diagnosis, troubleshooting and repair. We provide secure back up for your important data, run disk diagnosis and defragmenting, scan for and remove any and all viruses, spyware, and other malicious code. We troubleshoot and repair lockups, error messages, and “ blue screens of death”. We’ll repair errors to your Windows registry and clean any unneeded files and programs from your computer. See similar questions...

What is a variance?

Frequently Asked Questions - Common Planning and Zoning Term...
A modification of the strict terms of the regulations where such variance will not be contrary to the public interest and where, owing to conditions peculiar to the property and not the result of the actions of the applicant, a literal enforcement of the regulation would result in unnecessary and undue hardship. A variance may be authorized for height, area, and size of structure or size of yards and open spaces. See similar questions...

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