We contribute with a publicly available repository of digital mammograms including both raw and preprocessed images. The study of mammographies is the most used and effective method to diagnose breast cancer. It is possible to improve quality of images for more accurate predictions of radiologists, by applying some preprocessing techniques. In this work we introduce a method for mammogram prepr...

To obtain specimens from marine environment, water sampling devices such as Nansen's sampler and sediment sampling device such as a gravity-core sampler are used for geological or ecological examinations in oceanic or aquatic fields. Those samplers are able tocollect a reasonable amount of specimens for the above studies. These devices are all considerably heavy and operated by means of a rope ...

Bias analysis serves multiple objectives in epidemiologic data analysis. The objectives most often emphasized are quantification of uncertainty due to systematic errors and reduction in overconfidence by specifying hypotheses that compete with the causal hypothesis. A third objective is the utility of bias analysis to identify strategies for new data collection that will be productive in evalua...