理解了type I error,type II error就可以有样学样了。刚刚我们讨论的是好女孩,现在来讨论坏女孩,抽烟喝酒的有可能是好女孩,也有可能是坏女孩(H1)。坏女孩落在曲线H1内,可以看到它和H0曲线有相交的部分,如果面对一个坏女孩(红色区域内),我们却认为她是好女孩,那么我们就犯了type II error。 如何减小我们犯错误...
第一类型错误(Type I Error)第二类型错误(Type II Error) 当客观事实为:吸烟和肺癌发病确有关联(即:原假设为真) 当客观事实为:吸烟和发病没有关联(即:备择假设为真) 但我们选择拒绝原假设,接受备择假设 但我们拒绝备择假设 我们拒绝了原假设,客观事实可能恰恰与原假设一致。我们反之拒绝了备择假设,客观事实...
CopyToDataTable<T>(IEnumerable<T>, DataTable, LoadOption, FillErrorEventHandler) 给定泛型参数 TDataRow的输入 IEnumerable<T> 对象,将 DataRow 对象复制到指定的 DataTable。 Aggregate<TSource>(IEnumerable<TSource>, Func<TSource,TSource,TSource>) 对序列应用累加器函数。 Aggregate<TSource,TAccumulat...
error. The text could be the result of a calculation from another formula, or maybe the cell is simply not formatted correctly. Solution:Check for any cell that contains text, or is formatted as text and set to the correct data type....
Caused by: java.sql.BatchUpdateException: Batch entry 0 /* Method: unknown */ /* Method: unknown */ /* update com.vmware.vcloud.common.model.inventory.VirtualMachineInvModel */ update vm_inv set <values>::uuid was aborted: ERROR: value too long for type character varying(128) Call get...
a. The standard states that the enumeration value stdDev specifies that the length of the error bars shall be Error Bar
[ ERROR ] Unable to convert function return value to a Python type! The signature was(self: openvino._pyopenvino.CompiledModel, property: str) -> objectTypeError: Failed to convert parameter to Python representation! The above exception was the direct cause of the following e...
Also, when I try to get the .copy() of the subgrouped anndata a, I just got the same error. I wonder what can I do for the index error? I think it may be the problem of the index type of the initial adata file, which is a RangeIndex. ...
Issue you'd like to raise. Issue: <ValidationError: 1 validation error for ChatOpenAI root openai has no ChatCompletion attribute, this is likely due to an old version of the openai package. Try upgrading it with pip install --upgrade op...
执行virt-install创建虚拟机时提示“ERROR --os-variant/--osinfo OS name is required, but no value was set or detected.”。 ERROR --os-variant/--osinfo OS name is required, but no value was set or detected. This is now a fatal error. Specifying an OS name is required ...