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Illustrated three stages of data mining process?
Stage 1: Exploration: This stage generally starts along with data preparation that may involve cleaning data, selecting subsets of records, data transformations and in case of data sets along with large numbers of variables as "fields" performing several preliminary feature selection operations to bring the number of variables to a manageable range (i.e., depending upon the statistical methods that are being important).
Stage 2: Model building and validation: on this stage involves considering different models and choosing the best one based upon their predictive performance (which are explaining the variability into question and producing stable results across some samples). There are a variety of methods developed to achieve that goal, which many of are based on so-called the "competitive evaluation of models," which is, applying various models to similar data set and after that comparing their performance to decide the best.
Stage 3: Deployment: That last stage involves using the model selected like best in the earlier stage and applying this to new data in order to produce predictions or estimates of the expected outcome.
List the various file attributes. A file has certain other attributes, which differ from one operating system to another, but typically consist of these: Name, identifier, type
Every computer connected to Internet has a unique address. Let's just say your IP address is 1.2.3.4 and you want to send a message to computer with IP address 5.6.7.8. Message you
What is the point of the REPLACING option of a copy statement? Ans) REPLACING permits for the similar copy to be used more than once in the similar code by changing the replac
If the product of two integers a and b is even after that prove that either a is even or b is even. Answer: It is illustrated that product of a and b is even so let a * b = 2n.
'On many systems, you can describe a function matherr which will be known as when there are certain floating-point errors, like errors in the math routines in .
Give LOAD-STORE optimization based on expression trees for the expression (A+B)/(C-D). LOAD-STORE optimization based on expression trees for the expression (A+B)/(C-D) is given
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Q. Show layout 84-key Keyboards? PC 83-key was the earliest keyboard provided by IBM with its first Personal Computers (PC). This had 83 keys. Afterwards IBM added one more key
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