{"text_format":"3","workbook":"xls","n_sheets":3,"sheets":["Sheet1","Sheet2","Sheet3"],"read":"whole","date_system":"1904","formulas":"cached_only"}

{"sheet":"Sheet1","index":0,"n_rows":22,"n_cols":7,"rows_kept":22,"merged":[[0,0,0,3]],"flags":["formulas_cached_only"]}
["<-- classified as"]
["happy","sad","tired"," "]
[100,3,2,"happy",null,null,360]
[0,3,2,"sad"]
[80,50,120,"tired"]
[]
[null,"sad= false","sad= true"]
["not sad!",302,2,{"$nulls":3},360]
["sad!",53,3]
[]
[null,"happy= false","happy= true"]
["not happy!",175,5,{"$nulls":3},360]
["happy!",80,100]
[]
[null,"tired= false","tired= true"]
["not tired!",106,130,{"$nulls":3},360]
["tired!",4,120]
[]
[null,"acc","pd","pf","prec"]
["sad",{"v":0.8472222222222222,"d":"85%"},{"v":0.6,"d":"60%"},{"v":0.14929577464788732,"d":"15%"},{"v":0.05357142857142857,"d":"5%"}]
["happy",{"v":0.7638888888888888,"d":"76%"},{"v":0.9523809523809523,"d":"95%"},{"v":0.45454545454545453,"d":"45%"},{"v":0.5555555555555556,"d":"56%"}]
["tired",{"v":0.6277777777777778,"d":"63%"},{"v":0.48,"d":"48%"},{"v":0.03636363636363636,"d":"4%"},{"v":0.967741935483871,"d":"97%"}]

{"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"]}