Brainarium

C.) Model 3 If school ratings can be reasonably well-predicted from the other factors, and new schools built due to recent population growth can be reasonably wellclassified using the other factors, which model would you recommend? A.) Model 1 B.) Model 2 C.) Model 3 D.) Model 4 E.) Model 5 4/15/26, 6:04 PM Module 14 ISYE 6501 Flashcards | Quizlet building schools can be well-classified In which of the following situations would you recommend using Model 5? A.) Ratings can be well-pre...

Matching models/methods to categories (cusum and pca = NONE) Select all of the following models that are designed for use with attribute/feature data (i.e., not timeseries data): k-nearest-neighbor, PCA, k-means, logistic regression, linear regression, random forest, SVM's Classification models CART, k-nearest-neighbor, logistic regression, random forest, support vector machine Clustering k-means Response prediction ARIMA, Exponential smoothing, Linear regression Validation cross-...

1-norm Similar to rectilinear distance; measures the straight-line length of a vector from the origin. If z=(z1,z2,...,zm) is a vector in an m-dimensional space, then it's 1-norm is square root(|

when might overfitting occur when the # of factors is close to or larger than the # of data points causing the model to potentially fit too closely to random effects Why are simple models better than complex ones less data is required; less chance of insignificant factors and easier to interpret what is forward selection we select the best new factor and see if it's good enough (R^2, AIC, or p-value) add it to our model and fit the model with the current set of factors. Then at the ...

actor Based Models classification, clustering, regression. Implicitly assumed that we have a lot of factors in the final model Why limit number of factors in a model? 2 reasons overfitting: when # of factors is close to or larger than # of data points. Model may fit too closely to random effects simplicity: simple models are usually better Classical variable selection approaches 1. Forward selection 2. Backwards elimination 3. Stepwise regression greedy algorithms Backward elimination v...

What do descriptive questions ask? What happened? (e.g., which customers are most alike) What do predictive questions ask? What will happen? (e.g., what will Google's stock price be?) What do prescriptive questions ask? What action(s) would be best? (e.g., where to put traffic lights) What is a model? Real-life situation expressed as math. What do classifiers help you do? differentiate What is a soft classifier and when is it used? In some cases, there won't be a line that separates a...

1. A wet chemical kitchen hood fire suppression system is primarily designed to extinguish fires involving: A) Class A only B) Class B only C) Class K D) Class C Answer: C Rationale: Class K fires involve cooking oils and fats common in commercial kitchens. Wet chemical agents saponify the oils, creating a foam layer that cools and seals off oxygen. NFPA 17A specifically addresses Class K protection. 2. What is the primary mechanism by which wet chemical agents extinguish a grease fir...

Question: Name all patient types that HVLA is contraindicated in? Answer: Osteoporosis Fractures Bone Cancer RA Downsyndrome Name all patient types that HVLA is contraindicated in? Question: If the ease of motion in TRANSLATION of a cervical spine vertebrae is to the LEFT. In what SIDEBENDING direction will this equal the ease of motion? Answer: RIGHT sidebending If the ease of motion in TRANSLATION of a cervical spine vertebrae is to the LEFT. In what SIDEBENDING direction will this ...

Type I Error: Stating that there _____ an effect or difference when NONE exist. is NO Type II Error: Stating that there _____ an effect or difference when DOES exist. is Sensitivity & Specificity DIAGNOSTIC TESTS are defined by their ____________ & _________. Sensitivity & Specificity SpPIn: high Specificity, Positive test, rules In SnNOut: high Sensitivity, Negative test, Out What does "SpPIn" and "SnNOut" mean, in regards to the Sensitivity and Specificity of a test? S...

What are the features of idiopathic thrombocytopenic purpura? prolonged bleeding time, petechiae, follows viral illness in children What is a common cause of microcytic anemia? iron deficiency What is a common cause of macrocytic anemia? folate or B12 deficiency What are the hormone findings in menopause? high FSH and LH What is the etiology of hyperuricemia? diuretics, high purine diet, leisch nyhan syndrome What are the lab findings in factor VII deficiency? prolonged PT, normal PTT...

Warfarin- Clinical Use - ️️Chronic anticoagulation Warfarin- Pregnancy - ️️CI in pregnant women--crosses placenta Warfarin- AE - ️️Bleeding, tissue necrosis Warfarin- Mechanism - ️️Interferes w/ vitamin K dependent clotting factors (II, VII, IX, X, C, S) Warfarin- Pathway, effect on PT/INR - ️️Extrinsic factor, increased PT Digoxin- MOA - ️️Direct inhibition of Na/K ATPase --> indirect inhibition of Na/Ca exchange Increased Calcium concentration --> positive...

prevalence vs incidence Prevalence - number of cases at a particular time Incidence - number of new cases odds ratio vs relative risk odds ratio: for case control studies control for disease and examine exposure odds dz+ in exposed group/odds dz+ in unexposed (a/b)/(c/d) ratio is not a fraction! so the bottom number is not the total its the unaffected relative risk: for cohort studies that control for exposures and examine who got the disease prob getting dz exposed/prob getting dz une...

Scientific Method - ️️1. Observation: prompts a question 2. Question 3. Hypothesis: educated guess 4. Experiment: has a controlled group, and an experimental group: has an independent variable and confounding variables: changes outcomes and is not controlled. 5. Results 6. Conclusion 7. Analysis Limits to the Scientific Method - ️️It cannot give insight in the generation of the value judgement. Does not generate moral statements or other types of non quantifiable subjunctive in...

JJ Thomson Cathode Ray Tube - ️️Electron Charge and Mass Robert Milikan Oil Drop - ️️Electron Mass Ernest Rutherford Gold Foil - ️️Nucleus and Proton James Chadwick Particle Accelerator - ️️Neutron chlorate - ️️ClO₃⁻ nitrate - ️️NO₃⁻ carbonate - ️️CO₃²⁻ sulfate - ️️SO₄²⁻ phosphate - ️️PO₄³⁻ hydroxide - ️️OH⁻ bicarbonate - ️️HCO₃⁻ ammonium - ️️NH₄⁺ ammonia - ️️NH₃

Nobel prizes awarded for topics in immunology in the past two decades include all of the following EXCEPT: the role of dendritic cells in activating the adaptive immune system. the role of gene rearrangement in generating diversity. the role of the major histocompatibility complex in activating T cells. the role of viruses in cervical cancer. All of the above - CORRECT ANSWER-the role of gene rearrangement in generating diversity. The immune system often rejects transplanted tissues beca...

What are the six major functions of the GI system? - ️️-Ingestion of Nutrients -Mechanical processing -Secretion -Chemical processing -Absorption -Excretion What is unique about ingestion of nutrients compared to the other functions of the GI system? - ️️It is the only one under your conscious control. You choose what to eat and when to eat it- every other function is regulated by the ANS. Why is mechanical processing of food so important - ️️Chewing is so important because...

What is an articulation? - ️️An articulation is the meeting place of two or more bones. The type of tissues that connecting the bones together with determine the functions of the joint (freely movable?) and the structural classification of that joint. Range of motion: - ️️refers to the normal extent of mobility for a specific joint movement degrees of freedom - ️️the number of axes at which movement in a joint occurs Biaxial joint - ️️If you have two axes of rotation, two ...

functions of the respiratory system - ️️gas exchange, regulate blood [H+], speech, defense against microbes upper respiratory tract - ️️nose, sinuses, pharynx lower respiratory tract - ️️starts with larynx, trachea, bronchial tree, thoracic cavity, continues through alveoli. conducting zone - ️️purpose is to filter, warm, and moisten air, and conduct it to lungs. conducting zone starts with nose/pharynx and extends to terminal bronchioles. nose, nasal cavity, pharynx, lary...

What is true about the breakdown of red blood cells? - ️️>> Iron is carried through the plasma by transferrin >> Bilirubin is excreted in the urine >> Bilirubin is excreted in the bile >> Iron is carried through the plasma by transferrin Adult hemoglobin is composed of what components? - ️️>> four heme groups >> two beta subunits >> two alpha subunits Infant hemoglobin is composed of what components? - ️️>> four heme groups &gt...

possible treatments - ️️cold ringer's solution (4 degrees c), 0.1 mM DNP, low sodium what must be done to the intestinal sac for this experiment - ️️it must be inverted why is there no gradient for the movement of glucose - ️️the sacs contain the same glucose concentration as the external incubating solution what must be in each beaker - ️️aerator valid standard curve value - ️️R2= 0.98 what is x on the graph - ️️concentration of glucose what is y on the graph ...