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Richard Neggers

Richard Neggers
Senior Research Consultant

Based in the Rotterdam office
+31 10 282 35 00

Data handling and technical analysis

We can support your data collection, export and conversion into common formats (SPSS/Excel). We can do your analyses, from estimating individual-level preferences and cross tabulation to complex market simulations.

SKIM's general data handling services

Data quality check

Some respondents apply "efficiency" strategies such as random answering or rushing through the questionnaire by selecting same response options every time. In most cases the time-span of the interview gives a good indication of the effort your respondents have put into their answers. Given your indications we can help identify these respondents and exclude them from analysis.

Cleaning data files

Based on identification criteria we can remove specific respondent files from source data.

Recoding / merging data files

Some surveys are conducted using different methods of data gathering (Web, CAPI, P&P) and different versions (usually per country). We can help you build one single data file.

Alternative HB estimation runs

Individual utilities can be derived based on all kinds of parameters to tune the estimation using Hierarchical Bayes. We can produce several sets of utilities using different parameters. Think of using monotonicity constraints, absolute and conditional pricing.

Latent Class runs

Latent Class is an excellent technique to discover base preference patterns in your sample. It is a valuable and manageable way to illustrate heterogeneity in your sample.

Advanced Data Handling Services

Recoding/merging .CHO files

In order to fine tune the experiment or gain multidimensional insights from the conjoint task, we can help recode or merge conjoint experiment files in order to squeeze out all the information it contains.

Running scenario simulations

Given your specification we can run multiple scenario simulations and structure outputs in order to speed up your analysis.

Sensitivity / pricelines / price sensitivity

Based on a scenario we can test and depict (price) sensitivity in various ways.

Optimization runs

If you want to identify an optimal product or product range we can help you optimize your scenario.

To accommodate repetitive Project Design & Modeling cooperation and improve our services in terms of costs and efficiency, we have introduced a consultancy bundle, the so called Consultancy Retainer.

Want to know more? Don't hesitate to give us a call or drop an email!

Our expertise areas

  • Set-up and design

    SKIM can assist you in the set-up and design of your (conjoint) analysis project.

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  • Programming and hosting

    Programming involves all the steps required to create your questionnaire in Sawtooth Software.

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  • Data handling & technical analyses

    We can support your data collection, export and conversion into common formats (SPSS/Excel).

    Read more...