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Business Analytics Foundation with R Tools - Part 8
1. BUSINESS ANALYTICS FOUNDATION WITH R
TOOLS
Lesson 4 - Predictive Modeling Techniques
Part 8
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2. What happens in exclusive clustering?
a. They assign each object to many clusters.
b. They assign each object to a single cluster.
c. They assign many objects to a single cluster.
d. They assign many objects to many clusters.
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3. a. They assign each object to many clusters.
b. They assign each object to a single cluster.
c. They assign many objects to a single cluster.
d. They assign many objects to many clusters.
Answer:b.
Explanation: They assign each object to a single cluster.
What happens in exclusive clustering?
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4. Holt Winters package is for?
a. Linear Regression
b. LogisticRegression
c. Exponential Regression
d. Timeseries
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5. a. Linear Regression
b. LogisticRegression
c. Exponential Regression
d. Timeseries
Answer:d.
Explanation: Holt Winters package is used to perform time series analysis on the dataset.
Holt Winters package is for?
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6. ARIMA stands for?
a. Automation Regressive Implemented Making Average
b. Automatic Regressed Integrated Moving Average
c. Auto Regressive Integrated Moving Average
d. Auto Recessed Integrated Moving Average
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7. a. Automation Regressive Implemented Making Average
b. Automatic Regressed Integrated Moving Average
c. Auto Regressive Integrated Moving Average
d. Auto Recessed Integrated Moving Average
Answer:c.
Explanation: ARIMA stands for Auto Regressive Integrated Moving Average.
ARIMA stands for?
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8. ARMA models is used in forecasting stationary models whose ?
a. Mean is constant
b. Variance is constant
c. Mean and variance keep varying with time
d. Mean and variance remain constant through time.
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9. a. Mean is constant
b. Variance is constant
c. Mean and variance keep varying with time
d. Mean and variance remain constant through time.
Answer:d.
Explanation: ARMA models is used in forecasting stationary models whose mean and
variance remain constant through time, i.e., no trend effect).
ARMA models is used in forecasting stationary models whose ?
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10. Thank You
Beamsync is one of the top training centre for business analytics training in
Bangalore. You will get certification along with training courses. For upcoming
schedules click here: http://beamsync.com/business-analytics-training-bangalore/
Copyright 2016,Beamsync, All rights reserved.