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Q. What is Data mining?
Data mining: Data mining is the process of extracting patterns from data. Data mining is seen as an increasingly important tool by modern business to transform data into an informational advantage. It is now used in a wide range of profiling practices, like surveillance, marketing and scientific discovery.
Data mining generally involves 4 classes of tasks:
• Clustering - is the task of discovering groups and structures in the data which are in some way or another 'similar', without using known structures in the data.
• Classification - is the task of generalising known structure to apply to new data. For instance, an email program may attempt to classify an email as legitimate or spam. Common algorithms comprise decision tree learning, naive Bayesian classification, nearest neighbour, neural networks and support vector machines.
• Regression - tries to find a function that models the data with least error.
• Association rule learning - Searches for relationships between variables. For illustration a supermarket may gather data on customer purchasing habits. Using association rule learning, supermarket can determine that products are frequently bought together and use this information for marketing purposes. This is sometimes designated as market basket analysis.
if Q=120-2p is the equation for demand curve, find the compounding total, marginal and average revenue function
Q. Construction of an explanatory model? Construction of a sample: To apply multiple regression a large sample is generally essential (ideally between 2,000 to 15,000 indivi
how much output should a firm produce? 80$ per unit C(Q)=40+8Q+2Qsquared
Q=5K0.4 L0.6 WHERE K is number of mchine,L s number of labour, price of unit is RM24 & wages og each lanour rm12. the company constraint by it budget rm 1500 per time period. a) co
NATIONAL INCOME ACCOUNTING This refers to the measuring of the total flow of output (goods and services) and of the total flow of inputs (factors of production) that pass thro
Elastic Supply Supply is said to be price elastic if changes in price bring about changes in quantity supplied in greater proportion. Thus, when price increases, quantity sup
Explain how a product would reach equilibrium position with the help of -iso-quants and iso-cost curve.
sample assignment
Suppose that there is a fixed sum of money available to be spent on public projects, and that a large number of public projects have been evaluated using social cost-benefit analys
1. According to an article in San Luis Obispo Tribune July 21, 2006 37% of the college freshman and 48% of the college seniors carry a credit balance from month to month. Suppose
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