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Dealing with missing data
Suppose that you use a Gaussian discriminant classifier, in which you model explicitly P(y = 1) (using a binomial) and P(x|y = 0) and P(x|y =
1). The latter have distinct means µ0 and µ1, and a shared covariance matrix Σ (a frequent assumption in practice). Suppose that you are asked to classify an example for which you know inputs x1, . . . xn-1, but the value of xn is missing. In practice, a common approach in this case is to "fill in" the value of xn by its class-conditional means, E(xn|y = 0)and E(xn|y = 1). Using the log-odds ratio, give a mathematical justification for this approach.
You purchased 300 shares of common stock on margin for $60 per share. The initial margin is 60% and the stock pays no dividend. What would your rate of return be if you sell the stock at $45 per share? Ignore interest on margin.
As apart of a formal risk assessment of desktop systems in small accounting firm with limited IT Support, you have identified asset "integrity of customer and financial data files on desktop systems" and threat.
Discuss and explain the company function of management as it relates to at least two of the organizational resources:
Design the logic for the game Hangman, in which the user guesses letters in a hidden word.
The user experience framework also informs about the relationship between a conceptual model and a user's understanding of it for past, current, and future systems. The case study actually consists of two studies
You are the IT director for XYZ Manufacturing. Your company is a B2B (business-to-business) organization that supplies auto parts to General Motors. There are 200 employees at XYZ Manufacturing with a headquarters in Detroit, Michigan, and field offi..
The pattern-matching problem is as follows: Given a string, S, of text, and a pat- tern, P, ?nd the ?rst occurrence of P in S. Approximate pattern matching allows k mismatches of three types:
Network Administration Processes Update
Goal: Use a transaction to add new rows to two tables at the same time. You must add a row into one table first, before the row can be added into the second table.
The pressure drop needed to force water through a horizontal 1-in.-diameter pipe is 0.60 psi for every 12-ft length of pipe. Determine the shear stress on the pipe wall. Determine the shear stress at distances 0.3 and 0.5 in. away from the pipe wa..
Which of these statements are true, for propositional logic? (In an exam you would have to justify your answers). A. If a formula is not satisfiable then it is not valid B. X is not satisfiable if and only if ¬X is valid C. If a formula is not valid ..
Discuss the pros and cons of proceeding
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