The Stochastic Group, Inc. offers a full range of statistical consulting, statistical computing, and survey research solutions. Whether you are just a student needing assistance in the analysis of data for your dissertation or a large corporation requiring help with the design and analysis of an industrial experiment to reduce manufacturing defects and increase profitability, The Stochastic Group, Inc. can help. Our expertise in statistical consulting, statistical programming, survey research design and analysis, combined with our superior business acumen allows us to provide the most accurate, efficient, and effective consulting to solve the data collection and data analysis problems facing you or your organization.
Our statistical analysis expertise and capabilities include, but are not limited to:
Discriminant Analysis such as Nearest Neighbor and Canonical
Decision Tree Analysis and Classification Methods such as CHAID and CART
Correlation Analysis
Correspondence Analysis
Conjoint Analysis
Multidimensional Scaling
Cluster Analysis
Missing Data Analysis such as Hot-Deck and Multiple Imputation Methods
Analysis of Large Datasets (N > 1 billion or tens of thousands of variables)
Analysis of Variance (ANOVA) and Multivariate Analysis of Variance (MANOVA)
Principal Components Analysis (PCA) and Factor Analysis (FA)
General Nonparametric Analysis, such
General Categorical Data Analysis such as Cross-Tabulation and Frequency Table Analysis
Our survey design and analysis expertise and capabilities include, but are not limited to:
Individual Question and Response Development
Questionnaire Design and Testing
Sample Design and Sample Frame Construction
Complex Survey Sampling Techniques
Survey Non-response Analysis
Item Non-response Analysis
General Questionnaire, Question, and Response Bias Analysis
Web-based Survey Methodology
Computer Assisted Self-Interviewing (CASI), Computer Assisted Telephone Interviewing (CATI), Paper and Pencil Interviewing (PAPI), and Mobile Interviewing Data Collection.
General Survey Methodology Expertise
The Stochastic Group, Inc. (TSG) is able to implement most of its analyses using commercial, off-the shelf (COTS) statistical software. In additional, TSC also has non-statistical-specific programming language knowledge and expertise.
Our survey design and analysis expertise and capabilities include, but are not limited to:
SAS, including SAS BASE, SAS STAT, SAS/SQL, SAS/OR, SAS Macro, SAS ETS, SAS/IntrNet, SAS/AF, SAS Integration Technologies, SAS IML, SAS Enterprise Miner, SAS
R
Python
Julia
SPSS, including SPSS Statistics Base, SPSS Exact Tests, SPSS Complex Samples, SPSS Amos, and Clementine
STATA
S-PLUS (S+) by Insightful, Inc.
The open source R language
C++
C#
FORTRAN
SUDAAN by Research Triangle Institute (RTI)
Visual Basic (VB) and Visual Basic Script (VBScript)
PHP
Java and Javascript
Perl
SQL
Our company also uses a variety of software packages used to design and develop surveys. We have expertise with the following software for the development of surveys:
SPSS' mrInterview, mrStudio, mrTranslate, mrScan and the PAWS Data Collection Technologies