The local ice-cream store

The local ice-cream store

ICT702 TASK 2 1 2018 Semester 2 Data Wrangling Due in two parts Friday of Week 9 and Week 12 Below Zero ice cream store The local ice-cream store needs a new ordering system to improve customer service by streamlining the ordering process. The manager of the store has found that many orders are incorrect and staff at times enter incorrect prices. The manager wants a new ordering system to avoid these errors and to ensure correct prices are charged. At present, the customer selects what to put the ice-cream in: plain cone, waffle, cone or a cup. The customer also chooses how many scoops and the flavours of each scoop. There are currently eight flavours to choose from. The management are hoping to have a system developed where staff enter the order at stations where the price is calculated, and the customer pays. The order is then sent to staff at the counters who complete the order and give it to the customer. In addition to the ordering system, Below Zero have asked for some analysis on the current trends in ice cream sales in the five neighbouring regions. As a result, you were able to source weekly sales data for 45 stores over 3 years (2010 2012). Learning Objectives In this task you will learn how to: Write programs that produce correct and useful output Apply relevant Python programming concepts to a data analysis challenge Read data from real sources and wrangle it into the form you need. Develop creative approaches to solving the wrangling/analysis problems. Adhere to the recommended Python programming styles Organise and present a data analysis report Give an insightful analysis of the given problem. Task 2 is broken into two parts (each worth 20% of the course): 1. Due Friday Week 9 Use Python to create an ordering system for Below Zero. 2. Due Friday Week 12 Use Python to read and analyse the ice cream weekly sales data and generate various useful graphs that give insight into the trends which is presented in a brief report to the client. ICT702 Task 2 Exercises 2 ICT702 TASK 2 1 Ordering System In this first part of Task 2, you should write a Python script for the ice cream ordering system. Your program must store the prices of the individual items (cones, scoop flavours and toppings). Specifically, the program should do the following: At the start, the program should ask for the customers name to personalise and track the order and then get the number of ice creams from the customer. For each ice cream, the cone type, scoop amount, scoop flavour, number and type of toppings should be taken from the customer. At the end the program should display the itemised order with the total price. The program should be able to handle invalid entries inputted (such as incorrect cone type, or invalid number of toppings) Notes: You must use standard Python data structures, not Pandas, to store the prices of the individual items. Items and prices are listed in Appendix A HINT: You should use the Python input(message) function to read each input value from the customer (for example when asking for the customer name). 2 Ice cream trends In this second part of Task 2, you should write a Python script that reads and analyses the ice cream data file (Weekly_Sales.csv) and merge it with the store details file (StoreDetails.csv) and region file (Region.csv) to produce at least FOUR useful graphs that give insight into the ice cream sales trends. For example, here are some suggestions: show the change in ice cream sales over the period 2010 to 2012 compare the trends of all stores in a given year. compare sales against the different store details (i.e. temperature and unemployment) to see what the relationship between them is (data from StoreDetails.csv). compare sales in the five different regions (using the data from the Region.csv to group the stores). Notes: 1. You must at least have 1 graph analysing temperature or unemployment and 1 graph comparing the sales across the different regions. 2. You must use the Pandas library to store and manipulate the data. 3. Use markup and headings to break your Jupyter notebook into sections and give commentary about what you doing, and discussion of your results. This Jupyter notebook will be what you submit. ICT702 TASK 2 3 3 What you will submit There are three deliverables in two parts. Part A is due Friday in week 9 and Part B is due Friday in Week 12. The following are what you will be submitting for each part. 1. Part A Python code for the ordering system in a Jupyter notebook file 2. Part B Python code for the trends analysis in a Jupyter notebook file 3. Part B Report to the client based on (2) (PDF or word doc) 4 Marking Criteria Your submission for each part of this task will be assessed according to the following criteria: Part A (all python code): o Working system with no errors [5 marks] o Correctness of the program output [15 marks] o Robust handling of invalid inputs with helpful error messages [10 marks] o Programming style [20 marks] Creative approaches to solving the problem Good use of relevant programming concepts, Good use of appropriate Python data structures, such as lists and dictionaries Adherence to the recommended Python programming styles (indentation, documentation, naming conventions, etc.) Part B (Python code and Report): o Python Code Correctness of the program output [10 marks] Programming style [15 marks] Creative approaches to solving the problem Good use of relevant programming concepts, especially good use of functions Adherence to the recommended Python programming styles (indentation, documentation, naming conventions, etc.) o Report Presentation and organisation of your report to the client [5 marks] Insightful analysis and discussion of the trends [20 marks] 4 ICT702 TASK 2 Appendix A Prices & additional info Category Item Price Cone Type Plain Cone 1.5 Waffle Cone 2 Cup 1 Scoop Flavours Vanilla Each scoop costs .5 (regardless of flavour) Strawberry Chocolate Caramel Mint Rainbow Coffee Bubble gum Topping Choices Peanuts 0.75 Caramel Sauce 0.5 Rainbow Sprinkles 0.5 Pecan 1 Chocolate Sprinkles 0.5 Additional Info: 1. The maximum number of scoops per ice cream is 3 2. The maximum number of toppings per ice cream is 4

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