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Environmental factors were measured for each grid.", "format": "ARFF", "uploader": "Heidi Seibold", "uploader_id": 970, "visibility": "public", "creator": "\"\"", "contributor": null, "date": "2016-09-07 14:35:35", "update_comment": null, "last_update": "2016-09-07 14:35:35", "licence": "GPL-2", "status": "active", "error_message": null, "url": "https:\/\/www.openml.org\/data\/download\/4552968\/filed4c3459c711", "default_target_attribute": "counts", "row_id_attribute": null, "ignore_attribute": null, "runs": 0, "suggest": { "input": [ "treepipit", "Data on the population density of tree pipits, Anthus trivialis, in Franconian oak forests including variables describing the forest ecosystem. This data is taken from R package coin. This study is based on fieldwork conducted in three lowland oak forests in the Franconian region of northern Bavaria close to Uffenheim, Germany. Diurnal breeding birds were sampled five times, from March to June 2002, using a quantitative grid mapping. Each grid was a one-hectare square. 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