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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.
Real Rigidities in the Goods Market The most important factor associated with real rigidity in the goods market is the existence of imperfect competition. Imperfect comp
p=10, TC= 1000+2Q+.01Q^2, Q=?
is the sales maximization applicable
1. What kind of market structure is involved for the sale of medicines and vitamins? 2. What can be said about barriers to entry in this market? 3. Might there be a change in mar
a) In 1948, the money GNP was $520 billion and the price index was 120. In order to make the 1948 GNP comparable with the base year, the 1948 GNP must be adjusted to:
Let Consider an economy with three states. The following set of stocks is traded: x 1 =(2,2,0) x 2 =(1,0,3) x 3 =(0,2,4). The t=0 prices of these stocks are give
Individual and market demand schedule The plan of the possible quantities that will be demanded at different prices by an individual is called Individual demand schedule. Su
marris'' model of managerial enterprise?
The production function of the personal computers for DISK Company is given by Q = 10 KL where Q is the number of computers produced per day, K s the hours of machine time,
examine the endogenous and exogenous determinants of money supply
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