C3RO demographics analysis

For secondary analysis of C3RO data. These CSV files were generated for each disease site separately which can then be used to regression modeling. More information on this data can be found in the accompanying preprint: https://www.medrxiv.org/content/10.1101/2023.08.30.23294786v2. Original C3RO data can be found here: https://figshare.com/articles/dataset/Large-scale_crowdsourced_radiotherapy_segmentations_across_a_variety_of_cancer_sites/21074182. Version history: v2: Jan 7, 2023. Included additional column for HD95 binary data.