In forward stepwise regression, why should the alpha-to-enter value for adding variables never exceed the alpha-to-remove...

In forward stepwise regression, why should the alpha-to-enter value for adding variables never exceed the alpha-to-remove value for deleting variables?

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orchestra answered 2 years ago

The value of a call option can never exceed...(please explain) a. zero. b. the difference between...

The value of a call option can never exceed...(please explain) a. zero. b. the difference between the underlying stock price and the option’s exercise price. c. the option's exercise price. d. the underlying stock price. Compared to a European option, the value of an otherwise identical American option is...(please explain) a. sometimes less, and never greater. b. always equal to the value of the European option. c.sometimes greater, and never less. d. always greater. e. always less. It is never...

What are forward contracts? Discuss why individuals and companies enter into forward contracts with examples.

why is the forward primer in PCR when adding a sticky end not complementary to the...

why is the forward primer in PCR when adding a sticky end not complementary to the DNA but the reverse primer is?

why does the concentration of CV + never enter specifically into the calculations for the alkanline...

why does the concentration of CV + never enter specifically into the calculations for the alkanline hydrolysis crystal violet lab

What method( ANOVA, Regression, Cluster, Factor, etc.) should be used and why? Independent and Dependent variables?...

What method( ANOVA, Regression, Cluster, Factor, etc.) should be used and why? Independent and Dependent variables? A researcher wants to investigate the effect of gender (coded 0 male and 1 female) and job satisfaction (coded 0 satisfied and 1 not satisfied) on employee income ($1000s) and years of education (years). A sample of 125 participants was included in the study.

True or false: Prices should never enter into the numerator of a simplified indirect utility function....

True or false: Prices should never enter into the numerator of a simplified indirect utility function. Explain.

alpha value is 0.05 if it is not specified in the problem. **Everything should be in...

alpha value is 0.05 if it is not specified in the problem. **Everything should be in r code base. 4. Back to the iris dataset one last time! We wish to estimate the probability of a flower’s species based on the available measurements. a. Build a Multinomial model to predict Species based on Sepal.Length. Use it to estimate the probability of each species for a flower with a sepal 6.3 cm long. b. Build a Multinomial model to predict Species...

1. A multiple linear regression model should not be used if: A The variables are all...

1. A multiple linear regression model should not be used if: A The variables are all statistically significant. B The coefficient of determination R2 is large. C Both of the above. D Neither of the above. 2. Consider a multiple linear regression model where the output variable is a company's revenue for different months, and the purpose is to investigate how the revenue depends upon the company's advertising budget. The input variables can be time-lagged so that the first input...

Why is the value of a futures or forward contract at the time it is purchased...

Why is the value of a futures or forward contract at the time it is purchased equal to zero? Contrast this with the value of the corresponding spot commodity.

Should public policy dictate that some workers never be allowed to strike? Why or why not?

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