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1. BUSINESS ANALYTICS FOUNDATION WITH R
TOOLS
Lesson 4 - Predictive Modeling Techniques
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Part 9

2. The parameter α in Holt Winters package is for?
a. Data SmoothingAverage
b. SlopeTrend
c. Smoothingconstant
d. Seasonality factor
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3. a. Data SmoothingAverage
b. SlopeTrend
c. Smoothingconstant
d. Seasonality factor
Answer:a.
Explanation: The parameter α in Holt Winters package is for Data Smoothing Average
The parameter α in Holt Winters package is for?
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4. ETS modelsare?
a. Stationary
b. Non-stationary
c. Causal
d. Non-Causal
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5. a. Stationary
b. Non-stationary
c. Causal
d. Non-Causal
Answer:b.
Explanation: ETS models are Non-stationary.
ETS models are?
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6. The parameter γ in Holt Winter package is for?
a. Seasonality factor
b. Data SmoothingAverage
c. Smoothingconstant
d. SlopeTrend
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7. a. Seasonality factor
b. Data SmoothingAverage
c. Smoothingconstant
d. SlopeTrend
Answer:c.
Explanation: The parameter γ in Holt Winter package is for smoothing constant for the
seasonal factor
The parameter γ in Holt Winter package is for?
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8. 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 more
details click here: http://beamsync.com/business-analytics-training-bangalore/
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