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st: BI Software


From   "Abhijit Roy" <abhijit.roy@tns-global.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: BI Software
Date   Sat, 15 May 2004 13:26:14 +0530

Any opinions as to which software provides 'quality solutions' for BI
problems. Since we cannot send file attachments I am copying the text of
what all statistical and data mining techniques we are looking to cover and
attributes of software we are looking at (#options, ese of use, prices). All
input welcome.




Tools & Tech			Name of 		Strong/	       Flexibility     #Options #Options
User    Alg_M  Alg_C	 Exact
				module/		Weak		          	       for	        for	  Friendly 		 price
				na: not avail				 Statistics  Statistics
									Estimation Testing



Random no. from distributions

For non standard/custom
models-

Max Likeli Est

Equations, functions


Matrix Inversion


Stochastic Processes -
   Equations,
   Convergence to a fixed
   point (solution)

General Equilibrium &
Game Theory -
   Equations,
   Convergence to fxd pt (soln),
   Optimization (maxzn)


Design of exprmnts/
Sampling

Continuous data methods -

reg, ANOVA, ANCOVA
MANOVA, MANCOVA,
Multivar Reg (multiple dependent
& multi independent variables)

Categorical/Ordinal data methods -

Logit, Probit, Multinom L,
Multinom P, Nested Logit,
Logistic, Linear Models,
Gen. Linear Models (supply
link func), Ordnl Reg

Non parametrics

Survival Analysis	 -
Kaplan-Meier,
Cox Propntl Hazards,
Accelerated Lifetime
[BMDP]

Bayesian Est -
Markov Chain Monte Carlo,
Gibbs Sampling,
Metropolis/Hastings
[BUGS]

ROC curves
(for testing how good a
machine/model is at classifying
subjects)

System of Equations

Network of interrelated
Variables -

Structural Equations -
   Partial Least Squares (PLS),
   LISREL

Factor Analysis

Discriminant Analysis

MDS

Correspondence Analysis

Conjoint Analysis -
ACA, CBC

Cluster Analysis -
K-means, hierarchical

Time Series

Decision Trees -
CHAID,
CART

Neural Networks

Association/Sequencing
(Mrkt Basket Anlys for
finding what products, say, go
together. Can do segmentation, etc )

Kolmogorow-Smirnoff
(there seem to be 3 KSs -
Model selctn - AIC, Gini,
ROC, KS
Test of nrmlty - KS
Non para - KS)

Latent Class Analysis
(mixture (of say 2 normals)
 models)

Mapping/Graphs

Computation -
Does the software use AI,
Fuzzy Logic etc.?



The 3 major flagship journals
for research in mrktng and the
type of work they present -

Journal of Consumer Res -
   Exprmnts: MANOVA 

Journal of Mrktng Res,
Mrktng Science -
   Quant Models:
      Equations,
      Matrix Inversion,
      Max Likeli Est,
      Optmzn (Maxzn)

Journal of Marketing -
   Textual Models:
      Network of Interrelated
      Variables













Dr. Abhijit Roy
Business Group Manager - TNS Insight
TNS India Pvt Ltd.
131/132 , Solitaire Corporate Park,
Guru Hargovindji Marg, Chakala,
Andheri (East ) , Mumbai - 400 093 , India.
email abhijit.roy@tns-global.com
Phone +91 (0) 22 56938624
Fax +91 (0) 22 56938628
Web <http://www.tns-global.com/>


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