{"args":{"columns":["y"],"dataset":"d"},"checks":[{"abs_tol":null,"bind":"any","column":null,"failure_class":null,"field":"value","interval":false,"key":null,"kind":"status","min_lre":null,"note":"","open_interval":false,"rel_tol":null,"required":true,"source_id":null,"table":null,"tool":null,"value":"ok","weight":1.0,"where":null},{"abs_tol":null,"bind":"any","column":"mean","failure_class":null,"field":"value","interval":false,"key":null,"kind":"table_close","min_lre":null,"note":"certified sample mean; rel_tol 1e-06 is the bound LRE >= 6","open_interval":false,"rel_tol":1e-06,"required":true,"source_id":"nist_univariate.numacc4.mean","table":"columns","tool":null,"value":10000000.2,"weight":1.0,"where":{"column":"y"}},{"abs_tol":null,"bind":"any","column":"sd","failure_class":null,"field":"value","interval":false,"key":null,"kind":"table_close","min_lre":null,"note":"certified sample standard deviation (n \u2212 1); rel_tol 1e-06 is the bound LRE >= 6","open_interval":false,"rel_tol":1e-06,"required":true,"source_id":"nist_univariate.numacc4.sd","table":"columns","tool":null,"value":0.1,"weight":1.0,"where":{"column":"y"}}],"datasets":{"d":{"columns":["y"],"description":"NIST StRD NumAcc4: 1001 observations of y, one per row","file_sha256":"ca310dc767f5130f980f8280bbe69e26ba414a4d85a89fc11b6c767b828e5fe4","format":"whitespace","frame_sha256":null,"generator":null,"kind":"file","licence":"Public domain (US Government work, NIST)","member":null,"object":null,"params":{},"path":null,"read_kw":{"float_precision":"round_trip","quoting":3,"skiprows":60},"records":null,"role":"agent","sha256":"ca310dc767f5130f980f8280bbe69e26ba414a4d85a89fc11b6c767b828e5fe4","transforms":[],"url":"https://raw.githubusercontent.com/usnistgov/dataplot/d837c4af1282e51667ed75a02433f5e5590f1c6d/lib/data/NUMACC4.DAT"}},"difficulty":"H","id":"nist_univariate.numacc4.tool","level":"T1","meta":{"cluster":"ca310dc767f5130f980f8280bbe69e26ba414a4d85a89fc11b6c767b828e5fe4","difficulty":"higher","double_frame_lre":{"mean":15.0,"sd":8.253},"min_lre":6.0,"native_id":"NumAcc4","problem":"NumAcc4","reference_path":{"calls":[{"args":{"columns":["y"],"dataset":"d"},"tool":"data.describe"}],"needs":[],"provenance":"metadata_rule","quotes":{},"reference_datasets":[],"source_id":null},"unscored":{"r1":{"value_as_published":"-0.999     (exact)","why":"no tool states a lag-1 autocorrelation (data.describe has none)"}}},"question":"","requires":[],"runner":null,"sources":["nist_univariate.numacc4.mean","nist_univariate.numacc4.sd"],"split":"public","suite":"nist_univariate","tags":["nist","certified","univariate","higher","fast"],"target":"tool","tool":"data.describe","truth":"NIST StRD NumAcc4 certified values (500-digit arithmetic), read from the certified block (lines 41-43) of the file itl.nist.gov serves (sha256 ca310dc767f5\u2026 CRLF, 5080d83a4014\u2026 LF); fetched from usnistgov/dataplot@d837c4af1282e51667ed75a02433f5e5590f1c6d:lib/data/NUMACC4.DAT; higher difficulty, n=1001."}