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Many real world data sets have data items with missing values. Values can be missing for many different reasons, such as sensor failure, respondents forgetting or refusing to answer a question in a survey, or a certain feature not being applicable to certain subsets of data. When visualizing data, some visualizations can easily handle missing values, while for others it is not obvious how to represent...
We argue that exploratory visual analytics frameworks are needed for efficient big data research and data-driven research, and exemplify with experiences from our research. Such frameworks can be used for iterative hypothesis generation and hypothesis verification, and for exploratory creation of appropriate explanatory variables to use in data acquisition and analysis. We discuss how complex analysis...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.