{"text_format":"3","workbook":"xls","n_sheets":3,"sheets":["Sheet1","Sheet2","Sheet3"],"read":"whole","date_system":"1900","formulas":"cached_only"}

{"sheet":"Sheet1","index":0,"n_rows":24,"n_cols":5,"rows_kept":24,"merged":[[2,4,3,4],[6,4,7,4],[22,4,23,4]],"flags":["formulas_cached_only"]}
["m5c-clust","C1","C2","C3","p"]
["gender"]
["FEMALE",112,132,119,0.4513]
["MALE",45,50,35]
["M"]
["unknown",1,0,0]
["M0",85,113,79,0.1423]
["M1",5,3,1]
["MX",66,66,74]
["Stage"]
["unknown",1,1,0]
["Stage I",92,103,80]
["Stage II",20,14,17,0.5691]
["Stage III",32,41,38]
["Stage IV",12,23,19]
["T"]
["T1",51,57,34]
["T2",52,53,58]
["T3",46,64,53,0.4278]
["T4",7,7,9]
["TX",1,1,0]
["Age"]
["Age<=45",73,89,69,0.7505]
["Age>45",84,93,85]

{"sheet":"Sheet2","index":1,"n_rows":0,"n_cols":0,"rows_kept":0,"flags":["formulas_cached_only"]}

{"sheet":"Sheet3","index":2,"n_rows":0,"n_cols":0,"rows_kept":0,"flags":["formulas_cached_only"]}