const e=JSON.parse('{"key":"v-64e0b052","path":"/zh/UserGuide/Master/Operators-Functions/Data-Matching.html","title":"","lang":"zh-CN","frontmatter":{"description":"数据匹配 Cov 函数简介 本函数用于计算两列数值型数据的总体协方差。 函数名： COV 输入序列： 仅支持两个输入序列，类型均为 INT32 / INT64 / FLOAT / DOUBLE。 输出序列： 输出单个序列，类型为 DOUBLE。序列仅包含一个时间戳为 0、值为总体协方差的数据点。 提示： 如果某行数据中包含空值、缺失值或NaN，该行数据...","head":[["link",{"rel":"alternate","hreflang":"en-us","href":"https://iotdb.apache.org/UserGuide/Master/Operators-Functions/Data-Matching.html"}],["meta",{"property":"og:url","content":"https://iotdb.apache.org/zh/UserGuide/Master/Operators-Functions/Data-Matching.html"}],["meta",{"property":"og:site_name","content":"IoTDB Website"}],["meta",{"property":"og:description","content":"数据匹配 Cov 函数简介 本函数用于计算两列数值型数据的总体协方差。 函数名： COV 输入序列： 仅支持两个输入序列，类型均为 INT32 / INT64 / FLOAT / DOUBLE。 输出序列： 输出单个序列，类型为 DOUBLE。序列仅包含一个时间戳为 0、值为总体协方差的数据点。 提示： 如果某行数据中包含空值、缺失值或NaN，该行数据..."}],["meta",{"property":"og:type","content":"article"}],["meta",{"property":"og:locale","content":"zh-CN"}],["meta",{"property":"og:locale:alternate","content":"en-US"}],["script",{"type":"application/ld+json"},"{\\"@context\\":\\"https://schema.org\\",\\"@type\\":\\"Article\\",\\"headline\\":\\"\\",\\"image\\":[\\"\\"],\\"dateModified\\":null,\\"author\\":[]}"]]},"headers":[{"level":2,"title":"数据匹配","slug":"数据匹配","link":"#数据匹配","children":[{"level":3,"title":"Cov","slug":"cov","link":"#cov","children":[]},{"level":3,"title":"Dtw","slug":"dtw","link":"#dtw","children":[]},{"level":3,"title":"Pearson","slug":"pearson","link":"#pearson","children":[]},{"level":3,"title":"PtnSym","slug":"ptnsym","link":"#ptnsym","children":[]},{"level":3,"title":"XCorr","slug":"xcorr","link":"#xcorr","children":[]}]}],"git":{"createdTime":null,"updatedTime":null,"contributors":[]},"readingTime":{"minutes":6.49,"words":1946},"filePathRelative":"zh/UserGuide/Master/Operators-Functions/Data-Matching.md","autoDesc":true}');export{e as data};