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Hands on Sensory Statistics Course

Designed to give you the knowledge, practice and the tools to do your own design, analysis and interpretation of sensory data
Hands-on exercises, free XLSTAT and SENPAQ software for participants to take away

Hal MacFie, Anne Hasted

22 - 24 February 2012
Venue: Paris: MEDIASITE

Course Organiser
Hal MacFie
Bristol
For course details and registration email: hal@halmacfie.com


This course forms a hands-on introduction to those statistical methods needed by a sensory scientist. Mainly based around the use of SENPAQ and XLSTAT software, attendees will gain practical experience using real-life examples and will be able to save their work to take away with a free copies of SENPAQ and XLSTAT so they will be competent to start using their expertise from day 1 after the course.

To pay your registration fee by credit or debit card on-line please follow this link:

Secure Payment Online through the WorldPay


ABOUT THE LECTURERS

Dr. Hal MacFie is a statistician by training, with an international reputation in the areas of product assessment and consumer research. Author of over 100 scientific publications and three books, he was Head of Consumer Science at the Institute of Food Research, Reading England, before becoming Director of the Institute. Dr. MacFie is now an independent consultant, Visiting Professor at Reading University and European Editor of Food Quality and Preference.

Anne Hasted began her career as an academic statistician at Reading University, leaving in 1989 to set up Qi Statistics Ltd offering statistical training and consultancy support to research and industry. She has wide training and consultancy experience in the food industry, particularly in the area of product improvement.


Course Outline

Day 1

9.00 - 12.30Analysis of sensory descriptive data
Revision of QDA approaches.
Comparisons of two samples -Student t-tests, Analysing QDA data using analysis of variance, Testing for sample differences, Least significant difference, multiple comparison tests, testing for interactions. Fixed, Random and Mixed model effects, Graphical displays
Exercises using SENPAQ and XLSTAT
  
12.30 - 13.30Lunch
   
14.30 - 15.30 Further Analysis of Variance
Fixed, Random and Mixed model effects ,Three way models
Exercises using XLSTAT
  
14.30 - 15.30Panel Monitoring
Discrimination, Reproducibility, Measuring consistency -partitioning the interaction effects, assessor vs panel mean correlations . Understanding SENPAQ output.
Setting up a Traffic light system for performance monitoring
  
 Tea
  
16.00 - 17.00Non Parametric testing
How to analyse data in the form of ranks - applications of non parametric methods when ANOVA fails
Exercises using XLSTAT and SENPAQ
  
19.00Dinner
  

Day 2


9.00 - 10.30Principal Components Analysis of QDA data
Covariance, Correlation, Interpreting Correlations using cosines
Geometric interpretation of Principal Components Analysis
PCA on Sensory data - covariance or correlation?
Methods r to determine dimensionality
Effect of Outliers, Varimax rotation
How is PCA different from Factor Analysis?
Exercises in SENPAQ/XLSTAT
  
 Break
  
11.00 - 12.30Cluster Analysis, clustering of products and variables to select key sensory attributes
Similarity/dissimilarity measures
To standardise or not?
Agglomerative Hierarchical Classification (AHC)
Aggregation criteria
Clustering Products and variables
Selecting key variables
Exercises in XLSTAT
  
12.30 - 13.30Lunch
 

 

14.00 - 15.30 Multivariate methods to assess Panel Performance and Flash profiling
Generalised Procrustes Analysis (GPA)
Application to assess panel performance data
Multiple Factor Analysis and RV coefficient
Flash profiling: definition and use
Analysis of Flash Profiling by GPA
Exercises in XLSTAT and GPA using XLSTAT MX
  
 Tea
  
16.00 - 17.00 Canonical Variates Analysis, Discriminant analysis
Discriminant Analysis (DA)
Canonical Variates Analysis (CVA)
Graphical Displays, Confusion matrices
Exercises in XLSTAT
Comparing Sensory and Consumer discrimination
Exercises
  
19.30Course Dinner
  

Day 3


09.00 - 10.30Relating to instrumental and consumer data 1
Linear regression, Multiple regression
Modelling Curvature, Stepwise regression
Best modelling, Overfitting
Principal components regression
Exercises in XLSTAT
  
 Coffee
  
11.00 - 12.30Relating to instrumental and consumer data 2
Partial Least Squares regression compared to PCA regression
Geometric interpretation,
Assessing dimensionality using Cross validation
Relating sensory to instrumental data
Relating Liking to sensory data
Exercises in XLSTAT PLS
  
12.30 - 13.30Lunch
 
13.30 - 14.30

Sorting and Multidimensional scaling
What is MDS
Analysing distance and similarity matrices
Sorting trials.
Napping – methods and analysis 
Exercise using XLSTAT

  
14.30 - 15.30

Structural Modelling to combine sensory and other factors
Path PLS Modelling
Modelling Pathways for sensory categories
Modelling sensory with physico chemical or marketing factors
Exercise using XLSTAT Path PLSM

  
 Course evaluation
  
 Close

Course Venue
We are again using the Purpose Built Multimedia Computer Training Facilities of Mediasite Paris:
MEDIASITE 42, rue Legendre 75017 Paris

www.mediasite.fr
Media Site

We like this facility:

***Powerful computers

***Internet connection

***Air conditioning

***U shape – good for discussion

Hotel Accommodation nearby

Mediasite have a web page devoted to hotels: http://www.mediasite.fr/hotels.htm

We usually stay about 1 minute’s walk away at
Hôtel Jardin de Villiers
18 rue Claude Pouillet
tél : 01 42 67 15 60
fax : 01 42 67 32 11
hoteljdv@wanadoo.fr

or about 2 minutes away at
Monceau Etoile Hotel
- 64, rue de Lévis
 - 75017 Paris
Tel: +33 (0)1 42 27 33 10 - Fax: +33 (0)1 42 27 59 58

Mail: hotel@monceauetoile.com - www.monceauetoile.com

Both hotels have free internet connection.

If you want 4* hotels there are two hotels nearby.

HÔTEL MERCURE * * **
165 rue de Rome - 75017 Paris
Tél : +33.1.56.79.29.29 - Fax : +33.1.56.79.29.20

HÔTEL VILLA EUGENIE * * * *
167 rue de Rome - 75017 Paris
Tél : +33.1.44.29.06.06 - Fax : +33.1.44.29.06.07


REGISTRATION FORM

Yes: Please enrol me in Hands on Sensory Statistics Course 22 - 24 February 2012

Registration fees:          2180 Euros

Fees reduced by 25% for members of academia - space limited.

Includes all lunches and two dinners, course materials, attendees receive a free one year license to XLSTAT Pro and the XLSTAT sensory module MX and a permanent copy of SENPAQ (the specialised Sensory Analysis program developed for the course). The combined value of this software will be €640.   (It is possible for course attendees to convert to a permanent copy of XLSTAT and MX for a further payment of €250 – recommended as the full price is €790). Equally if you do not want the XLSTAT licenses we can reduce the course fees by €150.  A free download of the difference testing program DIFFTEST will also be provided.  We will also provide you with access to your own individual laptop computer for exercises.

Attendees may bring along their own PC laptops for the exercises and we will install a free copy of XLSTAT and SENPAQ software on your computer. (We do not guarantee to load XLSTAT if you have an unusual software configuration.)


     
 
 

To pay your registration fee by credit or debit card on-line please click the appropriate button:
sp

Refunds will be at the discretion of Dr Halliday MacFie.

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For electronic bank transfers: contact hal@halmacfie.com for account and wiring details
           
Mailing address for registration and payment:
Dr H J H MacFie
43 Manor Road
Keynsham, Nr Bristol,
BS31 1RB, United Kingdom
Tel/+44(0)7786436656
Fax +44(0)1179863590

Electronic registration forms to Hal@halmacfie.com

 

 
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