有人使用Metagear进行大型meta分析数据筛选吗?
我正在尝试将一个有2个审阅者的大型数据集的1%重新分发给新的修订者。可以很容易地重新分发50:50,尝试使用effort =,但字符串参数(是99,1,0)或(98,1,1)等不断出现错误。使用vignette代码和示例数据集进行测试,得到以下结果...
# load package
library(metagear)
# load a bibliographic dataset with the authors, titles, and abstracts of multiple study references
data(example_references_metagear)
#initialise refs
theRefs <- effort_initialize(example_references_metagear)
# randomly distribute screening effort to a team, but with Luc handeling 80% of the work
theTeam <- c("Christina", "Luc")
theRefs_unscreened <- effort_distribute(theRefs, reviewers = theTeam, effort = c(20, 80))
#results in christina with 2 papers, luc with 9
#give a small amount of work to new reviewer, patsy
theRefs_Patsy <- effort_redistribute(theRefs_unscreened,
reviewer = "Luc",
remove_effort = "20", # move 20% of Luc's work to Patsy
reviewers = c("Luc", "Patsy")) # team members loosing and picking
#results in christina with the same 2 papers, luc with 5 and patsy with 4
#shouldn't end up with chris 2, luc with 8, patsy with 2? 发布于 2018-02-27 12:10:02
运行上面给出的代码会出现以下错误
Error in remove_effort/(number_reviewers - 1) :
non-numeric argument to binary operator因为effort_redistribute需要一个数值参数。删除百分比周围的引号"“将解决您在vignette代码和示例数据集方面遇到的问题。最终,Christina有2个,Patsy有2个,Luc有7个(总共11个)。
根据我对你的问题的理解,你似乎有一个很大的数据集已经分布在两个审阅者之间。最初,您将使用类似以下代码的代码分发数据集:
# load package
library(metagear)
# load a bibliographic dataset with the authors, titles, and abstracts of multiple study references
data(your_large_dataset)
#initialise refs
theRefs <- effort_initialize(your_large_dataset)
# randomly distribute screening effort to a team, with Reviewer1 and Reviewer2 equally sharing the work.
OriginalTeam <- c("Reviewer1", "Reviewer2")
theRefs_unscreened <- effort_distribute(theRefs, reviewers = OriginalTeam)到目前为止,我们的裁判在Reviewer1和Reviewer2之间各占一半。
现在,如果你想使用effort_redistribute将1%的工作分配给一个新的评审者,你必须选择谁的工作是分布式的,Reviewer1还是Reviewer2。在本例中,我将从Reviewer1中删除。
theRefs_New <- effort_redistribute(theRefs_unscreened,
reviewer = "Reviewer1",
remove_effort = 1, # move 1% of Reviewer1's work to new reviewer, Reviewer3
reviewers = c("Reviewer1", "Reviewer3")) # team members loosing and picking up work这样,您将分别使用Reviewer1、Reviewer2和Reviewer3完成49%、50%和1%的工作。或者,如果您想要从每个Reviewer1和Reviewer2中移除0.5%的工作量,以使Reviewer 3总共获得1%的工作量,您可以连续使用effort_redistribute两次,从每个原始评审中移出0.5%,并将其分配给新的评审。
当您使用effort_distribute时,完全不必重新分发,并从一开始就将工作分配为98:1:1 (或者您想要的其他方式)会更容易。请记住,为了使其工作,描述reviewers的向量和描述effort的向量的长度应该相同。
reviewers:将承担额外工作的每个团队成员的姓名的向量。
effort:用于在每个团队成员之间分配筛选任务的百分比向量。如果未显式调用,则假定在所有成员之间平均分配工作量。长度必须与团队成员的数量相同,并且总和必须为100。
Team_vector <- c("Reviewer1", "Reviewer2", "Reviewer3")
Effort_vector <- c(98, 1, 1)
theRefs_distributed <- effort_distribute(theRefs, reviewers = OriginalTeam, effort = Effort_vector)https://stackoverflow.com/questions/41992517
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