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Define Data cleaning in preliminary data analysis
Data cleaning focuses on error detection and consistency checks and treatment of missing responses. First step in the data cleaning process is to check every variable for data that are out of the range or as otherwise known as logically inconsistent data. Such data should be corrected as they can hamper overall analysis process. Most advance statistical packages provide an output relating to such inconsistent data. Inconsistent data should be closely examined as sometimes they might not be inconsistent and be representing legitimate response.
State the coding process in details Coding involves assigning numbers or other symbols to answers so responses can be grouped into a limited number of categories or classes. Part
Spot Rate : The current exchange rate is usually the spot rate. It is the rate at which most foreign exchange transactions are carried out. If the contract to buy or sell foreign
Objective After studying this unit, you should be able to: 1. Explain the meaning of credit risk; 2. Describe various types of policies issued by ECGC; 3. Explain t
model building is the essence of the operations research approach?
#question. During the 1990s, technological advance reduced the cost of computer chips. Explain, with the use of supply and demand diagrams, how the following markets are affected i
I want to oder my assessment how long it will take to finish it?
Explain in details the process of marketing research. Answer Most marketing research involves attaining information from marketplace indirectly or directly and hence the
Strike Perils : In marine insurance, strike perils mean events which lead to loss or damage to cargo caused by: i) Strikes, lock-out workmen or persons taking part in labour di
Question: You are appointed as the Group Marketing Director of a renowned hotel group. Your task is to develop a business plan to attract sales and achieve an occupancy rate of
Q. Areas of operation in industrial buying? The initiation stage: This is a phase in which a problem or a need is recognised by the organisation. For instance as a result of
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