Question 1:

Three pages APA format. Two journal article references, In-Text Citations.

Topic: Cluster analysis: challenges, trends, and tools

Overview: The purpose of this assignment is to explore the current challenges, trends, and tools that are associated with the process of conducting a cluster analysis.

Primary challenges: Describe and explain one or two of the primary challenges associated with data clustering techniques that the modern organization or data scientist faces in the current data mining environment.

Current trends: Describe one current trend in data science that can help organizations overcome todays data clustering challenges.

DM tools and real-world scenario: Describe one tool that can support the process of data clustering and provide a real-world example or scenario where this tool has helped an organization overcome their data clustering challenges.

 No plagiarism very important

Need responses to my teamates discussion

Cryptography is used to protect confidential data in many areas. Chose one type of cryptography attack and briefly explain how it works (examples include: ciphertext-only attack, known-plain-test attack, chosen-plaintext, chosen-ciphertext attack, timing attack, rubber hose attack, adaptive attack).

Chapter 9 discussed the importance of stakeholder engagement in policy making. The author presented several benefits and an analysis of five cases in which stakeholder engagement added value to the policy making process. If you were leading a project to develop a comprehensive policy for managing pedestrian traffic flow in a popular downtown metropolitan district, what measures would you take to engage stakeholders in that project? Your answer should outline your suggestions and clearly explain why each one would add value.

Use class materials or open web credible resources for this discussion. (Maximum 150 words, initial post latest by Thursday). References and in-text citations must be APA compliant. Please, respond substantially to a minimum of two colleagues' posts

CIS 515 discussion post responses.

There are two discussions here that need to be responded to thoroughly. Responses must be on APA format 150+words 1-2 legitimate verifiable sources per response.

Respond to the colleagues posts regarding:

Many legacy systems require normalization. Identify at least two factors that should be considered in order to produce an optimal normalized set of tables when performing normalization. Include in your discussion a detailed example on how each factor would eliminate data redundancy.

Optimal database design recognizes proper organization of table structures and relationships. Suggest at least two methods that can be used to improve the design of a database system.

JM post states the following:

Factors to Consider for an Optimal Normalization

Normalization refers to the process of o