The included file, Distribution.php, contains methods that generate sampling-distribution statistics for several commonly used sampling distributions (Student t, Fisher f, Chi Square).
所包含的文件Distribution . php包含了为几个常用的抽样分布(t分布、f分布和X平方分布)生成抽样分布统计信息的方法。
Time sampling means that researchers choose various time intervals for their observation.
时间采样是指研究人员选择不同的时间间隔进行观察。
These include hand collecting, using baits to attract the ants, ground litter sampling, and the use of pitfall traps.
这些包括人工收集，使用诱饵吸引蚂蚁，地面垃圾取样，以及使用陷阱诱捕。
A method of systematic sampling has been adopted for Ailuropoda melanoleuca in Foping Nature Reserve.
已对佛坪自然保护区的大熊猫采用系统采样的方法。
A method of systematic sampling has been adopted for Giant panda (Ailuropoda melanoleuca) in Foping Nature Reserve.
已对佛坪自然保护区的大熊猫采用系统采样的方法。
What kind of sampling procedure do you use?
你将采用什么样的抽样程序？
Many control systems require periodic sampling and processing.
大量控制系统要求周期性采样与处理。
With data sampling, only a subset of the data is scanned.
通过数据抽样，只需扫描数据的一个子集即可。
Genetic sampling allows technicians to ascertain a fish's birth stream.
基因取样使技术人员得以查明一种鱼的出生河流。
The REORG USES a sampling technique to build the dictionary.
REORG使用一种抽样技术来建立字典。
Database quality control and statistical sampling.
数据库质量控制和统计抽样。
Here's a sampling of your answers.
我们在此罗列了一些答案的抽样。
However, the study lacked a control group and used nonrandom sampling, they noted.
然而，这项研究缺乏一个控制组并且采用的是非随机抽样，他们表示。
Look at the Chi Square sampling distribution.
观察x平方分布的抽样分布。
Mr Groves has pledged not to use sampling in 2010.
格罗夫斯已经承诺在2010年的人口普查中不使用抽样的方法。
Check the sampling plan (see Table 4) created from Table 3.
检查根据表3创建的采样计划(请参见表4)。
To reach that number, the company surveyed a random sampling of 237 office workers.
公司是在对237名上班族进行了随机抽样调查后得出结论的。
Extended statistics are collected on objects referenced in the MQT definition using sampling.
扩展的统计信息是使用采样在MQT定义中引用的对象上收集得到的。
The rate of sampling, related to the Nyquist theorem.
抽样的频率，这与奈奎斯原理有关。
The study is really fascinating to look at although it's limited by the sampling procedure.
这项研究是很有意思的，尽管它受到取样方法的限制。
You can also customize the sampling rate for which data is collected (Figure 13).
还可以指定收集数据的取样速率(图13)。
The premise of a polling pattern is a periodic sampling of a target metric.
轮询模式的前提是对目标指标的定期采样。
The methods used for analysis and sampling are the necessary basis for food inspection and control.
分析和取样方法是对食品进行检验和控制的必要基础。
For the control system to work, sensor sampling and control must be performed at periodic intervals.
为了保持控制系统的正常工作，传感器的采样与控制必须按照一定的周期间隔。
Harris Interactive said the results have a sampling error of plus or minus 1.2 percentage points.
哈里斯互动表示该调查结果会有正负1.2个百分点的采样误差。
Set the sampling interval based on maximum message processing times.
根据最大消息处理时间来设置采样间隔。
But, row level sampling may produce more accurate statistics if relational data values are highly clustered.
但是，如果关系数据值是高度聚集的，那么行级抽样可以产生更精确的统计信息。
The margin of sampling error was plus or minus 3 percentage points.
抽样错误的差额是正负3%。
The margin of sampling error was plus or minus 3 percentage points.
抽样错误的差额是正负3%。
应用推荐