Projekt

New methods for the sensR package

Udbyder

Vejleder

Sted

København og omegn

This is a project within "Sensometrics". Sensometrics is the name for applying and developing statistics for the analysis of human perceptual measurements. These are used in food and  many other industries for product development. PerBB developed methods and software during 25 years:
  • Many projects with national and international companies
  • Sharing open source softwares online (and training podcasts)
  • PanelCheck
  • ConsumerCheck
  • R-packages sensR, ordinal, lmerTest, SensMixed, mumm

Possible project elements:

•   The R-package sensR is used for data from so-called discrimination and
similarity experimental data

•        Binomial data analysis and mixed model extensions

•        It will be the main software package for a new edited book on the topic (2017)

•        It covers many situations but NOT all relevant ones yet

•        Power and sample size functions for various settings have been implemented

•        Power and sample size functions for REPLICATED settings are missing. Idea for how to
do this:

–       Replicated analysis is carried out by:

•        Estimate the parameters of the corrected beta-binomial model by ML

•        Get the d-prime and the confidence interval from this

–       Make a simulation based power function in sensR for the model and procedure sketched above.

–       Based on such a power function, one could then make the sample size function

–       And still:  these things would have to somehow include BOTH the average level AND the dispersion and that will add an additional complexity to the whole thing

I samarbejde med

Danish or international company

Forudsætninger

Some courses in statistics

Download materiale

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Tags
Kontakt

Virksomhed/organisation

DTU Compute

Navn

Per B. Brockhoff

Stilling

Professor, Institutdirektør

Mail

perbb@dtu.dk

Vejleder-info

Kandidatuddannelsen i Fødevareteknologi

Vejleder

Per B. Brockhoff

ECTS-point

30

Type

Kandidatspeciale

Kandidatuddannelsen i Matematisk Modellering og Computing

Vejleder

Per B. Brockhoff

ECTS-point

30

Type

Kandidatspeciale

OM DTU

DTU er et teknisk eliteuniversitet med international rækkevidde og standard. Vores mission er at udvikle og nyttiggøre naturvidenskab og teknisk videnskab til gavn for samfundet. 10.000 studerende uddanner sig her til fremtiden, og 5.700 medarbejdere har hver dag fokus på uddannelse, forskning, myndighedsrådgivning og innovation, som bidrager til øget vækst og velfærd.

Find os her

Anker Engelunds Vej 1
Bygning 101A
2800 Kgs. Lyngby


45 25 25 25

dtu@dtu.dk

CVR-nr. 30 06 09 46

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