data quality

Data import

You can select your data file in Excel format (.xlsx), specify the quality checks you want to perform and determine the quality of your survey data in a few minutes.

Check & Cleaning

We offer the fastest and easiest way to analyze your data file simultaneously according to a wide range of quality checks and clean it automatically.

data quality

More features


Quota settings

You can set quotas for specific demographic variables such as age, gender, or occupation, and clean for them as well.

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Daten aktualisieren

Update data

You can also upload your data file during the field phase, update it and perform intermediate cleanings.

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Data weighting

Based on the calculated response quality, respondents can also be weighted in addition to data cleaning.

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Daten exportieren

Export data

The cleaned data files can be exported with just one click and then used for further analysis.

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User management

You can manage multiple user accounts that can upload their own data files, analyse them and use credits.

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Quality report

A report containing details on data quality and quality controls performed can be shared with all stakeholders.

Real-time quality checks

From now on, it is possible to check and clean the survey data in real time. This means that the data can be checked before it reaches the “complete state” and thus also before it affects the quotas.
Redem® only needs to be integrated into your survey software via our API.


Try the Redem® Survey Data Quality Platform now