包quickpsy
具有相同名称的功能,可以将心理测量功能与您提供的数据集相匹配,并且还可以执行自举。我注意到,当分组变量属于字符类时,运行所需的时间比分组变量是因子时要长。这是为什么?
这是一个例子来说明它。首先,我使用分组变量制作数据框,'条件'作为一个字符变量:
charData <- data.frame(
condition = rep(c('pre','post'), each=6),
comparison = rep(c(16, 18, 19, 21, 22, 24), 2),
nGreater = c(2, 8, 16, 26, 34, 38, 0, 6, 12, 24, 32, 36),
nTrials = rep(40, 12),
stringsAsFactors = FALSE)
检查班级类型:
str(charData)
#'data.frame': 12 obs. of 4 variables:
# $ condition : chr "pre" "pre" "pre" "pre" ...
# $ comparison: num 16 18 19 21 22 24 16 18 19 21 ...
# $ nGreater : num 2 8 16 26 34 38 0 6 12 24 ...
# $ nTrials : num 40 40 40 40 40 40 40 40 40 40 ...
我的机器需要约7秒才能运行快速功能,显示进度条:
charpsy <- quickpsy(charData, comparison, nGreater, nTrials, .(condition), B=100)
# |==============================================================================|100% ~0 s remaining
然后我创建完全相同的数据框,但是使用分组变量,&#39;条件&#39;作为一个因素:
factorData <- data.frame(
condition = rep(c('pre','post'), each=6),
comparison = rep(c(16, 18, 19, 21, 22, 24), 2),
nGreater = c(2, 8, 16, 26, 34, 38, 0, 6, 12, 24, 32, 36),
nTrials = rep(40, 12),
stringsAsFactors = TRUE)
检查班级类型:
str(factorData)
#'data.frame': 12 obs. of 4 variables:
# $ condition : Factor w/ 2 levels "post","pre": 2 2 2 2 2 2 1 1 1 1 ...
# $ comparison: num 16 18 19 21 22 24 16 18 19 21 ...
# $ nGreater : num 2 8 16 26 34 38 0 6 12 24 ...
# $ nTrials : num 40 40 40 40 40 40 40 40 40 40 ...
现在快速运行速度更快,甚至不显示进度条:
factorpsy <- quickpsy(factorData, comparison, nGreater, nTrials, .(condition), B=100)