data mining classification techniques for human talent forecasting
Data Mining Classification: Alternative Techniques - Lecture Notes for Chapter 5 Introduction to Data Mining pdf
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... Uses k “closest” points (nearest neighbors) for
performing classification
© Tan,Steinbach, Kumar Introduction to Data Mining 43
Nearest Neighbor Classification
Scaling issues
–
Attributes ... Tan,Steinbach, Kumar Introduction to Data Mining 36
Instance Based Classifiers
Examples:
–
Rote-learner
•
Memorizes entire training data and performs
classification only if attributes of record ... (Status=Married) → No
© Tan,Steinbach, Kumar Introduction to Data Mining 44
Nearest Neighbor Classification
Problem with Euclidean measure:
–
High dimensional data
•
curse of dimensionality
–
Can produce...
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Data Mining Classification: Basic Concepts, Decision Trees, and Model Evaluation Lecture Notes for Chapter 4 Introduction to Data Mining pptx
Ngày tải lên :
15/03/2014, 09:20
... trees
–
Accuracy is comparable to other classification
techniques for many simple data sets
© Tan,Steinbach, Kumar Introduction to Data Mining 9
Apply Model to Test Data
Refund
MarSt
TaxInc
YES
NO
NO
NO
Yes ... Tan,Steinbach, Kumar Introduction to Data Mining 3
Illustrating Classification Task
© Tan,Steinbach, Kumar Introduction to Data Mining 13
Apply Model to Test Data
Refund
MarSt
TaxInc
YES
NO
NO
NO
Yes ... Attributes
Training Data
Model: Decision Tree
© Tan,Steinbach, Kumar Introduction to Data Mining 8
Decision Tree Classification Task
Decision
Tree
© Tan,Steinbach, Kumar Introduction to Data Mining 35...
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modeling with data tools and techniques for scientific computing oct 2008
Ngày tải lên :
11/06/2014, 13:32
... test_ct = 5e6;
4 double data[ ] = { 30, 86,
5 24, 38 };
6 apop _data
*
testdata = apop_line_to _data( data,0,2,2);
7 for (i = 0; i< test_ct; i++)
8 apop_test_fisher_exact(testdata);
9 }
Listing 1.5 ... times. Online source:
.
1 test_ct <− 5e6
2 data <− c( 30, 86,
3 24, 38 )
4 testdata<− matrix (data, nrow=2)
5 for (i in 1:test_ct){
6 fisher.test(testdata)
7 }
Listing 1.6 R code to do the same ... like the debugger and profiler
• Methods for reliability testing functions and making them more robust
• Databases, and how to get them to produce data in the format you need
• Talking to external...
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Data Mining Techniques: For Marketing, Sales, and Customer Relationship Management - Second Edition
Ngày tải lên :
07/04/2014, 11:16
... that, on a technical level, the data mining effort is working and
the data is reasonably accurate. This can be quite comforting. If the data and
the data mining techniques applied to it are powerful ... resolve these issues. Data mining can help make more informed
decisions. It can suggest tests to make. Ultimately, though, the business needs
What Is Data Mining?
Data mining, as we use the ... of techniques to
apply in a particular situation depends on the nature of the data mining task,
the nature of the available data, and the skills and preferences of the data
miner.
Data mining...
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John wiley sons data mining techniques for marketing sales_20 pptx
Ngày tải lên :
21/06/2014, 04:20
... level
data, 96
publications
Building the Data Warehouse (Bill
Inmon), 474
Business Modeling and Data Mining
(Dorian Pyle), 60
Data Preparation for Data Mining
(Dorian Pyle), 75
The Data ...
Business Modeling and Data Mining, 60
Data Preparation for Data Mining, 75
470643 bindex.qxd 3/8/04 11:08 AM Page 619
C
Index 619
calculations, probabilities, 133–135
call detail databases, 37
call-center ... Preparation for Data Mining
(Dorian Pyle), 75
The Data Warehouse Toolkit (Ralph
Kimball), 474
data warehousing
customer patterns, 5
for decision support, 13
discussed, 4
database administrators...
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John wiley sons data mining techniques for marketing sales_2 pptx
Ngày tải lên :
21/06/2014, 04:20
... analyzing data
on the information.
can provide value.
into actionable information
using data mining techniques.
Identify
Transform data
1 2 3 4 5 6 7 8 9 10
Measure the results
of the efforts ... of data mining in practice. Figure 2.1
shows the four stages:
1. Identifying the business problem.
2. Mining data to transform the data into actionable information.
3. Acting on the information. ... them.
How Data Mining Is Being Used Today
This whirlwind tour of a few interesting applications of data mining is
intended to demonstrate the wide applicability of the data mining techniques...
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John wiley sons data mining techniques for marketing sales_4 pdf
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21/06/2014, 04:20
...
before. The newly discovered relationships suggest new hypotheses to test
and the data mining process begins all over again.
Lessons Learned
Data mining comes in two forms. Directed data mining ... California based on data that excludes calls to Los Angeles.
Step Six: Transform Data to Bring
Information to the Surface
Once the data has been assembled and major data problems fixed, the data ... c04.qxd 3/8/04 11:10 AM Page 97
Data Mining Applications 97
mining techniques used to generate the scores. It is worth noting, however,
that many of the data mining techniques in this book can...
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John wiley sons data mining techniques for marketing sales_5 pdf
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21/06/2014, 04:20
... which messages are most appropriate for each one.
Even a customer with low scores for every offer has higher scores for some
then others. In Mastering Data Mining (Wiley, 1999), we describe how ... 11:10 AM Page 109
Data Mining Applications 109
Start Tracking Customers before
They Become Customers
It is a good idea to start recording information about prospects even before
they become ... for other reasons as well. For instance, it is one way of
taking several variables and converting them to similar ranges. This can be
useful for several data mining techniques, such as clustering...
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John wiley sons data mining techniques for marketing sales_6 ppt
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21/06/2014, 04:20
... in several areas:
■■ Data miners tend to ignore measurement error in raw data.
■■ Data miners assume that there is more than enough data and process-
ing power.
■■ Data mining assumes dependency ... make the same classification, although each leaf makes
that classification for a different reason. For example, in a tree that classifies
fruits and vegetables by color, the leaves for apple, ... 11:11 AM Page 159
The Lure of Statistics: Data Mining Using Familiar Tools 159
statisticians use similar techniques to solve similar problems, the data mining
approach differs from the standard...
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John wiley sons data mining techniques for marketing sales_8 ppt
Ngày tải lên :
21/06/2014, 04:20
... test set to see how well it performs.
7. Apply the model generated by the network to predict outcomes for
unknown inputs.
Fortunately, data mining software now performs most of these steps auto-
matically. ... Neural Networks 219
Neural Networks for Directed Data Mining
The previous example illustrates the most common use of neural networks:
building a model for classification or prediction. The steps ...
children variable might be mapped as follows: 0 (for 0 children), 0.5 (for one
child), 0.75 (for two children), 0.875 (for three children), and so on. For cate-
gorical variables, it is often easier...
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John wiley sons data mining techniques for marketing sales_12 doc
Ngày tải lên :
21/06/2014, 04:20
... applied to data. These patterns can be turned into new features of the data,
for use in conjunction with other directed data mining techniques.
470643 c11.qxd 3/8/04 11:17 AM Page 355
Automatic Cluster ... Islands of Simplicity
In Chapter 1, where data mining techniques are classified as directed or undi-
rected, automatic cluster detection is described as a tool for undirected knowl-
edge discovery. ... not appropri-
ate for all types of problems. It is not a prediction tool or classification tool like
a neural network that takes data in and produces an answer. Many types of
data are simply...
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John wiley sons data mining techniques for marketing sales_13 docx
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... calculation for these customers, paying par-
ticular attention to the role of censoring. When looking at customer data for
hazard calculations, both the tenure and the censoring flag are needed. For ... the data speak instead of
finding a special function to speak for it. Empirical hazard probabilities simply
let the historical data determine what is likely to happen, without trying to fit
data ... cus-
tomer databases often contain data on millions of customers and former
customers. Much of the statistical background of survival analysis is focused
on extracting every last bit of information...
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John wiley sons data mining techniques for marketing sales_19 potx
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...
Choosing a Data Mining Technique
The choice of which data mining technique or techniques to apply depends on
the particular data mining task to be accomplished and on the data available
for analysis. ... to build the data mining team and secure sponsorship for a data
mining pilot.
The successful efforts crossed corporate boundaries to involve people from
both marketing and information technology. ... useful-
ness of data mining by looking at the results of the actions suggested by the
data mining effort.
One of the companies, a wireless service provider, agreed to let us describe
its data mining...
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