Homework

Cases: Read the assigned cases below, and answer the corresponding questions to each case in no more than one page per case, unless otherwise indicated.

InnoMedia

1. Who are the stakeholders, and what are their goals?
2. What issues must be addressed if the offer is turned down?
3. Will Laurence receive greater value if he sells now or waits to a future time? Why?
4. What would you do?

Catfish Canoe

1. What marketing challenges does Steve Davidson face?
2. What factors should be considered in developing his pricing strategy?
3. What price should he charge for his canoes?
4. What do you think of his proposed venture?

 

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Homework 5 (part a): 40 pointsFind the first and second principal components for the following data set following steps 1through 4 given on the paper “A tutorial on Principal Components Analysis” by Lindsay I Smith.What is the percentage of variance explained by each principal components? Plot the twoprincipal components along with the mean subtracted data you get in step 2.

Note: Please calculate the value of eigenvalue and eigenvector in step 4 manually by hand. For other steps, you ‘can’ use Excel or MATLAB but it is not mandatory. 

I’ve attached the data points

 

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Homework # 5 Risk Determination & Decision Tree Analysis

1. Review Module-5 Lecture Notes and Chapter Readings

2. Use the Risk Determination Excel Workbook and complete the following worksheets:

a. Corporate Assets Risk Summary – Tab (25-Points)

i. Use the Reference Tab in the workbook to select the appropriate values from the respective tables and complete Columns C, D, E, F, & G (Hint: use the Threat Vulnerability Reference Table; return the numerical value for the corresponding probability and impact).

Threat   Vulnerability Work Table

Impact

Low

Medium

High

Probability

High

3

6

9

Medium

2

5

8

Low

1

4

7

ii. Column H (Risk Score) is a calculated field already formatted

iii. Column I (Possible Safeguards) provide the safeguards you would put in place to mitigate the threat (e.g., controls, policies, etc.); provide sufficient level of detail

iv. Column J (Cost Estimates) provide cost estimates/ranges for the safeguards you would put in place to mitigate the threat; provide sufficient level of detail in the Comments Section Column K.

v. Provide thorough summary analysis of each section

b. Occupation Analysis – Tab (25-Points)

i. Use the Risk Level Table provided on worksheet (Cells B25-C31) to assign the appropriate value for each occupation and the corresponding threats outlined in Columns C,D,E,& F

ii. Column G (Total) is a calculated filed already formatted

iii. Complete the occupational analysis; answer the four questions after completing your occupational vulnerability assessment; provide sufficient level of detail in your responses. 

c. Decision Tree Analysis – Tab (50-Points)

i. Examine the Decision Tree Analysis for enterprise CRM solution approach

ii. Complete the corresponding tables for both paths and individual branches referencing the values in the decision tree diagram.

iii. Some of the data is already populated

iv. Total fields, Branch Total fields, and Value Fields are calculated fields and are already formatted 

v. Answer the question regarding which options provides the best overall value

vi. Explain your reasoning for the choice you made, response should be based on your analysis of the decision tree results.

vii. Hint: Only one of the value fields should have a negative value when finished

3. Complete the Risk Determination Worksheets (M.S. Excel Document not PDF) and upload the file using the designated link on Moodle on or before the assignment due date.

 

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Homework 6

Answer the following questions: (10 point each)

1-     Consider the traffic accident data set shown in Table below.

Traffic accident data set.

Weather Condition

Driver’s

Condition

Traffic Violation

Seat Belt

Crash

Severity

Good

Bad

Good

Bad

Bad

Bad

Bad

Good

Good

Bad

Good

Bad

Alcohol-impaired            

Sober              

Sober              

Alcohol-impaired           

Alcohol-impaired           

Alcohol-impaired            

Alcohol-impaired            

Sober              

Alcohol-impaired            

Sober              

Alcohol-impaired            

Sober                          

Exceed speed limit

None  

Disobey stop sign

Exceed speed limit

Disobey traffic signal

Disobey stop sign

None  

Disobey traffic signal

None  

None  

Exceed speed limit

Disobey stop sign

No

Yes

No

Yes

No

Yes

Yes

Yes

No

Yes

Yes

Yes

Major

Minor

Minor

Major

Major

Minor

Major

Minor

Minor

Major

Major

Minor

a.      Show a binarized version of the data set.

Answer:

b.     What is the maximum width of each transaction in the binarized data?

Answer:

c.      Assuming that support threshold is 30%, how many candidate and frequent item sets will be generated?

2-     Consider the data set shown in Table below. The first attribute is continuous, while the remaining two attributes are asymmetric binary. A rule is considered to be strong if its support exceeds 15% and its confidence exceeds 60%. The data given in Table below supports the following two strong rules:

(i) {(1 ≤ A ≤ 2), B = 1} → {C = 1}

(ii) {(5 ≤ A ≤ 8), B = 1} → {C = 1}

A

B

C

1

2

3

4

5

6

7

8

9

10

11

12

1

1

1

1

1

0

0

1

0

0

0

0

1

1

0

0

1

1

0

1

0

0

0

1

a.      Compute the support and confidence for both rules.

Answer:

S ({(1 ≤ A ≤ 2), B = 1} → {C = 1}) =

C ({(1 ≤ A ≤ 2), B = 1} → {C = 0}) =

S ({(5 ≤ A ≤ 9), B = 1} → {C = 1}) =

C ({(5 ≤ A ≤ 9), B = 1} → {C = 1}) =

3. Consider the data set shown in Table below. Suppose we are interested in extracting the following association rule:

{α1 ≤ Age ≤ α2, Play Piano = Yes} → {Enjoy Classical Music = Yes}

Age

Play Piano

Enjoy Classical Music

9

11

14

17

19

21

25

29

33

39

41

47

Yes

Yes

Yes

Yes

Yes

No

No

Yes

Yes

Yes

No

No

Yes

Yes

No

No

Yes

No

No

No

No

Yes

Yes

Yes

To handle the continuous attribute, we apply the equal-frequency approach with 3, 4, and 6 intervals. Categorical attributes are handled by introducing as many new asymmetric binary attributes as the number of categorical values. Assume that the support threshold is 10% and the confidence threshold is 70%.

(a)   Suppose we discretize the Age attribute into 3 equal-frequency intervals. Find a pair of values for α1 and α2 that satisfy the minimum support and minimum confidence requirements.

Answer:

(b)   Repeat part (a) by discretizing the Age attribute into 4 equal-frequency intervals. Compare the extracted rules against the ones you had obtained in part (a).

Answer:

(c)   Repeat part (a) by discretizing the Age attribute into 6 equal-frequency intervals. Compare the extracted rules against the ones you had obtained in part (a).

Answer:

4. For each of the sequence w = <e1, . . . , elast> below, determine whether they are subsequences of the following data sequence:

<{A, B}{C, D}{A, B}{C, D}{A, B}{C, D}>

subjected to the following timing constraints:

mingap = 0      (interval between last event in ei and first event in ei+1 is > 0)

maxgap = 2     (interval between first event in ei and last event in ei+1 is ≤ 2)

maxspan = 6    (interval between first event in e1 and last event in elast is ≤ 6)

ws = 1             (time between first and last events in ei is ≤ 1)

a.      w = < {A}{B}{C}{D}>                                 Answer:

b.     w = < {A} {B, C, D} {A}>                            Answer:

c.      w = < {A} {B, C, D} {A}>                            Answer:

d.     w = < {B, C} {A, D} {B, C}>                       Answer:

e.      w = < {A, B, C, D} {A, B, C, D}>                 Answer:

5. Draw all candidate subgraphs obtained from joining the pair of graphs shown in Figure below Assume the edge-growing method is used to expand the subgraphs.

Answer:

 

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For Data organization and architecture homework: Please explain if possible question 1 through 8. I really appreciate the explanations

Homework 7 Assume that the logic blocks needed to implement a processor’s datapath have the followinglatencies: 200p§ 70m 20p§ 90p§ 909s 250p§ 15gb; lORs 1. If the only thing we need to do in a processor is fetch consecutive instructions, whatwould the cycle time be? 2. Consider a processor that only has one type of instruction: unconditional branch. Whatwould the cycle time for this datapath? 3. Consider a processor that only has one type of instruction: conditional branch. Whatwould the cycle time for this datapath? The coming three questions refer to the datapath element Shift-left-Z: 4. Which kinds of instructions require this resource?5. For which kinds if instructions is this resource on the path? Assume the following latencies for logic blocks in the databath: Immm-“mmmmwmmm 6. What is the clock cycle time if the only type of instructions we need to support are ALUinstructions (add, and, etc.) 7. What is the clock cycle time if we only hayejtg support (by) instructions?8. What is the clock cycle time if we must support (add, peg, lyy, and s35) instructions?

 

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