{'items': '3200 out of 3200', 'title': 'Research Methods', 'subtitle': 'Which method has been applied?', 'legendy': '', 'legendx': '# of ResearchEvents', 'categories': 'sorted(dates)', 'measuredObject': 'ResearchEvents', 'ymin': 0, 'payload': [['core drilling', 27], ['metal detecting survey', 33], ['test pit', 76], ['excavation', 1139], ['field-walking survey', 572], ['artefact studies', 450], ['stratigraphic excavation', 553], ['stylistic studies', 27], ['usage studies', 3], ['Carbon-14 dating', 84], ['phosphate analysis', 1], ['sieving', 29], ['accelerator mass spectrometry (AMS)', 1], ['soil analysis', 1], ['total station survey', 26], ['geomorphological survey', 10], ['topography research', 76], ['trial trench', 160], ['desktop assessment', 156], ['ground-penetrating radar survey', 22], ['archaeobotany', 17], ['archaeozoology', 25], ['macroscopic charcoal screening', 3], ['arbitrary level excavation', 262], ['Raman spectroscopy', 1], ['supporting analysis', 7], ['anthropological studies', 19], ['flotation', 24], ['geophysical survey', 37], ['microscopic examination', 4], ['pollen analysis', 2], ['dendrochronology', 20], ['surface geometry survey', 20], ['X-ray photoelectron spectroscopy', 2], ['heavy mineral analysis', 1], ['environmental survey', 2], ['terrestrial survey', 21], ['image-based modelling', 7], ['hydrological survey', 2], ['underwater survey', 2], ['historical aerial photographs analysis', 5], ['airborne laser scanning', 54], ['magnetic susceptibility survey', 12], ['magnetometry survey', 23], ['microstratigraphic excavation', 4], ['non-intensive fieldwalking survey', 14], ['shovel test', 10], ['intensive fieldwalking survey', 44], ['gas chromatography', 1], ['mass spectrometry', 1], ['relative dating', 7], ['X-ray flourescence', 1], ['X-ray (powder) diffraction (XRD)', 1], ['climate research', 1], ['lithology research', 2], ['metallographic analysis', 9], ['phytolith analysis', 1], ['technological studies', 2], ['tectonics research', 1], ['historical landscape analysis', 11], ['historical literature research', 9], ['aerial photography', 40], ['earth-resistance survey', 3], ['remote sensing survey', 2], ['proton induced X-rays (PIXE) and gamma rays (PIGME)', 1], ['undetermined fieldwalking survey', 69], ['charcoal analysis', 3], ['elemental and molecular analysis', 2], ['electrical resistivity tomography survey', 9], ['terrestrial laser scanning', 2], ['archaeomagnetism', 2], ['observer directed', 2], ['total covarage', 2], ['wet-sieving', 3], ['dating', 4], ['underwater photography', 1], ['dry-sieving', 1], ['Fourier-transform Infrared spectrometry (FT-IR)', 1], ['scanning electron microsopy (SEM)', 1], ['optical emission spectrometery (OES)', 1], ['palynology', 3], ['GNSS survey', 1], ['thermoluminescence', 1], ['terrestrial seismic survey', 1], ['airborne sensing', 1], ['starch grain analysis', 1], ['Field not populated', 82]]}