DESIGN FOR A LARGE STATED OWNED WATER UTILITY THAT INCORPORATES

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Task 2 (Worth 30 marks)

Research the relevant literature on how big data analytics capability can be incorporated into a data warehouse architecture. Note Chapter 2 Data Warehousing and Chapter 6 Big Data and Analytics of Sharda et al. 2014 Textbook will be particularly useful for a nswering some aspects of Task 2.

Task 2.1 Provide a high level data warehouse architecture design for a large stated owned water utility that incorporates big data capture, processing, storage and presentation in a diagram called Figure 1.1 Big Data Analytics and Data Warehouse Combined.

Task 2.2 Describe and justify the main components of your proposed high level data warehouse architecture design with big data capability incorporated presented in Figure 1.1 with appropriate in-text referencing support (about 750 words).

Task 2.3 Identify and discuss the key security privacy and ethical concerns for organisations within a specific industry that are already using a big data analytics and algorithmic approach to decision making with appropriate in-text referencing support (about 750 words).

Task 3 (Worth 30 marks)

LAPD Crime Analytics Unit would like to have a Crime Events dashboard built with the aim of providing a better understanding of the patterns that are occurring in relation to different crimes across the 21 Police Department areas over time in the City of Los Angeles. In particular, they would like to see if there are any distinct patterns in relation to (1) types of crimes, (2) frequency of each type of crime across each of the 21 Police Department areas for years 2012 through to first quarter of 2016 based on the data set. Note this is a large data set containing over 1 Million records. This Crime Events dashboard will assist LAPD to better manage and coordinate their efforts in catching the perpetrators of these crimes and be more proactive in preventing these crimes from occurring in the first place.

The LAPD Crime Analytics Unit wants the flexibility to visualize the frequency that each type of crime is occurring over time across each of the 21 Police Department areas/districts in the City of Los Angeles. They want to be able to get a quick overview of the crime data in relation to category of crimes, location, date of occurrence and frequency that each crime is

occurring over time and then be able to zoom in and filter on particular aspects and then get further details as required.

LA Crimes Data Set Data Dictionary

variable name	type	Description
year_id	1. character	Original dataset id
date_rptd	2. date	Date crime was reported
dr_no	3. character	Count of Date Reported
date_occ	4. date	Date crime occurred
time_occ	5. date	Time crime occurred on a day
area	6. character	Area Code
area_name	7. character	Area geographical location
rd	8. character	Nearby road identifier
crm_cd	9. character	Crime type code
crm_cd_desc	10. character	Crime type description
Status	11. character	Status code
status_desc	12. character	Status outcome of crime
location	13. character	Nearby address location
cross_st	14. character	Nearby cross street
lat	15. numeric	Latitude of crime event
long	16. numeric	Longitude of crime event
year	17. numeric	Year of crime occurred
month	18. numeric	Month of crime occurred
day_of_month	19. numeric	Day of month crime occurred
hour_of_day	20. numeric	Hour of day crime occurred
month_year	21.	Month and year when crime occurred
day_of_week	22. character	Day of week crime occurred
weekday	23. character	Weekday/weekend classification for crime event
intersection	24. character	Occurred at an intersection
crime_classification	25. character	subjective binning of crimes

Task 3 requires a Tableau dashboard consisting of four crime event views of the LA Crimes

2012-2016 data set.

Task 3.1 Specific Crimes within each Crime Category for a specific Police Department Area and specific year

Task 3.2 Frequency of Occurrence for a selected crime over 24 hours for a specific Police

Department Area

Task 3.3 Frequency of Crimes within each Crime Classification by Police Department Area and by Time

Task 3.4 Geographical (location) presentation of each Police Department Area for given crime(s) and year. Note for this task you will need to make use of the geo-mapping capability of Tableau Desktop.

You should briefly discuss the key findings for each of these four views in your

Crimes Event Dashboard

DESIGN FOR A LARGE STATED OWNED WATER UTILITY THAT