Sunday, November 15, 2009

Method Notes

Compare two group means: T Test, ANOVA
Compare more than two group means: ANOVA

Saturday, November 7, 2009

Market Basket Analysis

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Friday, November 6, 2009

T Test

I disagree. Here is what you said:
I promise to do
this next week.
It’s been two weeks!


’Randomized Complete Block’                                                                                                       26

The ANOVA Procedure

    Class Level Information

Class          Levels    Values

Block               3    1 2 3

Treatment           3    A B C


Number of observations    9

’Randomized Complete Block’                                                                                                       27

The ANOVA Procedure

Dependent Variable: Yield

                                        Sum of
Source                      DF         Squares     Mean Square    F Value    Pr > F

Model                        4     225.2777778      56.3194444       8.94    0.0283

Error                        4      25.1911111       6.2977778

Corrected Total              8     250.4688889


R-Square     Coeff Var      Root MSE    Yield Mean

0.899424      6.840047      2.509537      36.68889


Source                      DF        Anova SS     Mean Square    F Value    Pr > F

Block                        2      98.1755556      49.0877778       7.79    0.0417
Treatment                    2     127.1022222      63.5511111      10.09    0.0274

’Randomized Complete Block’                                                                                                       28

The ANOVA Procedure

Dependent Variable: Worth

                                        Sum of
Source                      DF         Squares     Mean Square    F Value    Pr > F

Model                        4     1247.333333      311.833333       8.28    0.0323

Error                        4      150.666667       37.666667

Corrected Total              8     1398.000000


R-Square     Coeff Var      Root MSE    Worth Mean

0.892227      4.949450      6.137318      124.0000


Source                      DF        Anova SS     Mean Square    F Value    Pr > F

Block                        2     354.6666667     177.3333333       4.71    0.0889
Treatment                    2     892.6666667     446.3333333      11.85    0.0209

Bookmarks - Data Mining

Data Mining Technique

Thursday, November 5, 2009

Bookmarks - Marketing Research

SAS Technical Papers

Time Series - An Example for Health Care

Parallel Processing - A Case Study

Principal Component - An Example for Health Care

Text Mining - An Example for Health Care

Text Mining

MAPE

ANOVA - An Example for Semiconductor Manufacturing

ANOVA

CMS-HCC Model Software

CMS-HCC model software is written in SAS and can be downloaded from the CMS web site. However, it is not readily usable. I have created a SAS macro library version of this software. This library is much more user-friendly and allows you to produce risk scores for last three years. Please contact me if you are interested in a trial version.

Cluster Analysis - An Example for Marketing Research

Logisitc Regression - An Example for Marketing Research

Logistic Regression - An Example for Health Care

Wednesday, November 4, 2009