A00-240시험덤프샘플 - A00-240완벽한시험자료

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SASInstitute A00-240 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Logistic Regression	25%	- Build models using PROC LOGISTIC - Select and optimize input variables - Interpret odds ratios and model coefficients - Score new datasets with LOGISTIC and PLM
Topic 2: Analysis of Variance (ANOVA)	10%	- Use PROC GLM for ANOVA - Perform post-hoc tests - Assess ANOVA assumptions - Analyze factor interactions
Topic 3: Linear Regression	20%	- Interpret REG, GLM, and PLM procedure output - Perform model selection with GLMSELECT - Conduct residual and diagnostic analysis - Fit multiple linear regression models
Topic 4: Measure and Evaluate Model Performance	25%	- Use confusion matrices and classification metrics - Determine optimal decision cut-off values - Create and interpret ROC, lift, and gains charts - Validate models with training/validation data - Apply honest assessment principles
Topic 5: Prepare Inputs for Predictive Modeling	20%	- Manipulate data using DATA step - Screen variables with CORR procedure and empirical logit plots - Transform categorical variables - Identify data preparation challenges

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최신 SAS Institute Systems Certification A00-240 무료샘플문제 (Q37-Q42):

질문 # 37
In partitioning data for model assessment, which sampling methods are acceptable? (Choose two.)

A. Stratified random sampling without replacement
B. Simple random sampling with replacement
C. Simple random sampling without replacement
D. Sequential random sampling with replacement

정답：A,C

질문 # 38
An analyst compares the mean salaries of men and women working at a company.
The SAS data set SALARY contains variables:
* Gender (M or F)
* Pay (dollars per year)
Which SAS programs can be used to find the p-value for comparing men's salaries with women's salaries?
(Choose two.)

A. Option B
B. Option A
C. Option D
D. Option C

정답：A,B

질문 # 39
Refer to the REG procedure output:

An analyst has selected this model as a champion because it shows better model fit than a competing model with more predictors.
Which statistic justifies this rationale?

A. R-Square
B. Error DF
C. Adj R-Sq
D. Coeff Var

정답：C

질문 # 40
Consider scoring new observations in the SCORE procedure versus the SCORE statement in the
LOGISTIC procedure.
Which statement is true?

A. Unlike the SCORE procedure, the SCORE statement in the LOGISTIC procedure produces both
predicted probabilities and predicted logits.
B. The SCORE statement in the LOGISTIC procedure returns only predicted probabilities, whereas the
SCORE procedure returns only predicted logits.
C. The SCORE procedure and the SCORE statement in the LOGISTIC procedure produce the same
output.
D. The SCORE statement in the LOGISTIC procedure returns only predicted logits, whereas the SCORE
procedure returns only predicted probabilities.

정답：B

질문 # 41
A marketing analyst assessed the effect of web page design (A, B, or C) on customers' intent to purchase an expensive product. The focus group was divided randomly into three sub-groups, each of which was asked to view one of the web pages and then give their intent to purchase on a scale from 0 to 100. The analyst also asked the customers to give their income, which was coded as: I (lowest), II (medium), or III (highest). After analyzing the data, the analyst claimed that there was significant interaction and the webpage design mainly influenced high income people.
Which graph supports the analyst's conclusion?
A)

B)

C)

D)

A. Option A
B. Option D
C. Option B
D. Option C

정답：A

질문 # 42
......

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