discrimSim(sensR)
discrimSim()所属R语言包:sensR
Simulates replicated difference tests
仿真复制的差异测试
译者:生物统计家园网 机器人LoveR
描述----------Description----------
Simulates the outcome of sample.size replicated sensory difference tests (for any one of four protocols: 2-AFC, 3-AFC, duotrio and triangle tests) for a given d-prime value and a given overdispersion (default 0).
模拟的结果sample.size复制的感官差异测试(2-AFC,3-AFC,duotrio和三角测试的四个协议:对于任何一个)对于给定的D-黄金的价值和给定的偏大(默认为0)。
用法----------Usage----------
discrimSim(sample.size, replicates, d.prime, sd.indiv = 0,
method = c("duotrio", "halfprobit", "probit", "triangle",
"twoAFC", "threeAFC"))
参数----------Arguments----------
参数:sample.size
the sample size - number of subjects
一些科目的样本大小 -
参数:replicates
number of replications per subject
每科的重复数
参数:d.prime
the value of d-prime
的d-素数的值
参数:method
the discrimination protocol
歧视协议
参数:sd.indiv
the individual variability in d-prime values. A value of 0 (default) corresponds to complete independence
D-贷值的个体差异。 0(默认)值对应于独立完成
Details
详细信息----------Details----------
The d-prime for each subject is a random draw from a normal distribution with mean d.prime and standard deviation sd.indiv. All negative values are set to zero.
D-黄金为每个主题是一个随机抽签正态分布,平均d.prime和标准差sd.indiv。所有负的值被设置为零。
值----------Value----------
A vector of length sample.size with the number of correct answers for each subject.
一个向量的长度sample.size每个题目的正确答案的数量。
(作者)----------Author(s)----------
Rune Haubo B Christensen and Per Bruun Brockhoff
参考文献----------References----------
models for sensory discrimination tests as generalized linear models.
参见----------See Also----------
triangle, twoAFC, threeAFC, duotrio, discrimPwr, discrim, AnotA, discrimSS,
triangle,twoAFC,threeAFC,duotrio,discrimPwr,discrim,AnotA,discrimSS,
实例----------Examples----------
## Running simulations:[#运行模拟:]
discrimSim(sample.size = 10, replicates = 3, d.prime = 2,
method = "triangle", sd.indiv = 1)
转载请注明:出自 生物统计家园网(http://www.biostatistic.net)。
注:
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