Covariates - Samenvattingen, Aantekeningen en Examens

ISYE 6501 - Introduction to Analytics Weeks 1 – 7 Combined Frequent Exam Questions Correctly Answered Support Vector Machine (SVM) - ANSWER Supervised learning classification tool and algorithm that seeks a dividing hyperplane for any number of dimensions can be used for regression or classification. Margin of Error (SVM) - ANSWER A small margin for error reduces your chances of misclassifying known data points but increases your chances of misclassifying unknown data points. ...

a test that can be used when the outcome of interest is time to an event survival analysis ways to describe/model survival data in terms of Survival Kaplan-Meier method ways to describe/model survival data in terms of Hazard Cox proportional hazard method Kaplan-Meier Curve p-value calculated using ___ logrank test Positive outcomes are represented by a ____ on the Kaplan-Meier Curve negative slope Negative outcomes are represented by a ____ on the Kaplan-Meier Curve positive slope Groups ...

Descriptive Question - Questions that ask for explanations of what happened Predictive Questions - Questions that ask what's going to happen in the future Prescriptive Questions - Questions that ask what action or actions would be best General Questions - Generic questions on data analytics Modeling - A mathematical expression of a real-life situation Classification - Putting things into categories Classifiers - Separators Data Point - A single observation of information Attributes, Fea...

Unpaired T-test correct answer: Continuous data 2 independent samples Paired T-test correct answer: Continuous data 2 paired samples ANOVA correct answer: Continuous outcome data Categorical exposure data 3+ independent variables ANCOVA correct answer: Continuous outcome data Categorical exposure data 3+ independent variables Controls for covariates Wilcoxon Rank Sum Test (Mann-Whitney U Test) correct answer: Ordinal data 2 independent samples Wilcoxon Signed Rank Te...

ISYE 6501 - Introduction to Analytics Weeks 1 – 7 Combined Frequent Exam Questions Correctly Answered Support Vector Machine (SVM) - ANSWER Supervised learning classification tool and algorithm that seeks a dividing hyperplane for any number of dimensions can be used for regression or classification. Margin of Error (SVM) - ANSWER A small margin for error reduces your chances of misclassifying known data points but increases your chances of misclassifying unknown data points. ...

Burns and Groves Practice of Nursing Research Exam Review Updated Questions and Answers 100% Already A+ Graded True - CORRECT ANSWER-Heart rate is measured on a ratio scale False - CORRECT ANSWER-a 20-item scale to measure depression would yield nominal-level measures False - CORRECT ANSWER-Researchers use descriptive statistics to draw conclusions about population values False - CORRECT ANSWER-A descriptive index from a population is called a statistic True - CORRECT ANSWER-The t...

Summary Discovering Statistics Using IBM SPSS Statistics −2LL - the log-likelihood multiplied by minus 2. This version of the likelihood is used in logistic regression. α-level - the probability of making a Type I error (usually this value is 0.05). Adjusted mean - in the context of analysis of covariance this is the value of the group mean adjusted for the effect of the covariate. Adjusted predicted value - a measure of the influence of a particular case of data. It is the pred...

ISYE 6501 - Introduction to Analytics Weeks 1 – 7 Combined Frequent Exam Questions Correctly Answered Support Vector Machine (SVM) - ANSWER Supervised learning classification tool and algorithm that seeks a dividing hyperplane for any number of dimensions can be used for regression or classification. Margin of Error (SVM) - ANSWER A small margin for error reduces your chances of misclassifying known data points but increases your chances of misclassifying unknown data points. ...

Nur 408- Terms 5 A's - answerFive steps that are undertaken in an EBP. Ask a well worded question; acquire best evidence; appraise the evidence; apply the evidence to clinical practice; and assess the outcome 5 Why's - answerA process involving rounds of successive questioning; used in some quality improvement projects to gain insight into the root cause of a problem Absolute Risk (AR) - answerThe proportion of people in a group who experienced an undesirable outcome Absolute Risk Redu...

Rate of overtriage and undertriage Overtriage rates were: (1) according to an ISS < 15 was 83.2%; (2) according to ACS-COT definition was 53.7% and (3) according to the discharge rate from the ED was 47.6%. Undertriage was 5.8% considering all patients transported to Papa Giovanni XXIII Hospital for the mechanism of trauma (median ISS 8, Interquartile Range, IR 4–9) and 1% considering patients with ISS > 15 (median ISS 17, IR 16–25). Characteristics of TTA prompted only b...