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Error in apply x 1 mean : dim x 的值必需是正数

WebDec 28, 2024 · dim (X) must have a positive length in R for mean. I want to compute average point or mean for each group, the code : y <- factor (data [,4]) K<-length (levels … WebDec 25, 2015 · dim()函数使用 A,描述 检索和设置对象的范围 B,用法 dim(x) dim(x) <- value（<-和等号的意思一样） R对象，例如一个矩阵，阵列或数据帧。 C, dim ()有一个方 …

r Error dim(X) must have a positive length? - Stack …

WebDec 25, 2024 · 问题：. #出现错误是因为apply（）函数必须应用于dataframe或matrix，我们尝试将其应用于数据帧中的特定列则发生错误。. #create data frame. df < - data .frame … WebMar 15, 2024 · The two response values were listed as such in the model, as per the previous issue: milford vacations https://ifixfonesrx.com

如何在 R 中修复：dim(X) 必须具有正长度 码农参考

WebMay 25, 2015 · The first argument to the apply() function must be an array or a matrix (check the documentation). WebDec 6, 2024 · apply（）函数是所有集合中最基本的。. 我们还将学习sapply（），lapply（）和tapply（）。. apply集合可以看作是循环的替代品。. 如果将R与Anaconda一起安装，则apply（）集合与 R基本 软件包捆绑在一起。. apply（）函数可以提供许多函数，以对对象（数据框，列表 ... WebDec 3, 2024 · From the documentation for the missForest() function, it looks like the first argument is:. xmis a data matrix with missing values. The columns correspond to the variables and the rows to the observations. If you're starting from a data frame, you might want to look at the example at the bottom of the function reference (see link above, and … milford valley hospital utah

R: Apply Functions Over Array Margins - ETH Z

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Error in apply x 1 mean : dim x 的值必需是正数

How to Fix in R: dim(X) must have a positive length

WebThank you for your help, David. I was trying to run bootrapping on the dataset "shoes" from MASS package. But I still have some problem here. &gt; … Web前言. 在上一节中，我们主要介绍了 purrr 包提供的工具函数来减少 for 循环的使用，使代码更加的简洁，便于阅读。. 但是，使用 R 原生的 apply 函数家族也能够极大减少 for 循环的使用。. 下面我们主要介绍 apply 函数的使用。. apply 针对不同的数据类型，会有不同 ...

Error in apply x 1 mean : dim x 的值必需是正数

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Web简单的说，apply函数经常用来计算矩阵中行或列的均值、和值的函数，具体方法如下： 定义一个3×2的矩阵： rname = c( " one " , " two " , " three " ) cname = c( " first " , " second " … It is just a series of numbers with no more advanced structure or dimension. E.g. &gt; apply (1:10,2,mean) Error in apply (1:10, 2, mean) : dim (X) must have a positive length. Which means you can just use the mean function directly against the matrix subset which you have selected: E.g.:

WebDec 2, 2024 · Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site WebMay 19, 2024 · dim (X) 的长度必须为正数：. 这是一种由 R 编译器抛出的错误。. R 编译器产生以下形式的错误：. 应用错误 (dataframe$column_header1, numeric_value, mean)：. …

WebApr 16, 2024 · Error in apply (X, 2, max) : dim (X)的值必需是正数 In addition: Warning message: In order (as.numeric (as.character (chor_taxa))) : Error in apply (X, 2, max) … WebFeb 9, 2015 · apply(last_visit[,2], 1, best_recom) But I'm getting this error: dim(X) must have a positive length I already tried applying it as a matrix like this: …

WebIn this tutorial you will learn how to use apply in R through several examples and use cases. 1 apply () function in R. 1.1 Applying a function to each row. 1.2 Applying a function to each column. 2 Apply any function to all R data frame. 3 Additional arguments of the apply R function. 4 Applying a custom function. new york immunization licenseWebMay 23, 2024 · The lowest decile rank should be assigned to the lowest 10% of " BetaShr" of each month. The output should look like the following: PERMNO monthyear BetaShr BetaDecileRank 1: 85814 199501 0.5 1 2: 12345 199501 1.0 10 3: 85814 200002 1.5 1 4: 56789 200002 2.0 5 5: 12345 200002 2.5 10. Of course this is just a simplified example … milford valley chicken with broccoli \u0026 cheeseWebThank you very much! I will appreciate it if you give some suggestions for the question: There are two ways to add covariates: first is adding covariates as an array when using the synthdid_estimate(), second is using xsynthdid. new york immunization scheduleWeb1. apply. 查看R语言中apply函数的帮助文档，对apply函数是这样说明的：. Returns a vector or array or list of values obtained by applying a function to margins of an array or … milford utah to salt lake cityWeb6 Using apply functions on real datasets. 6.0.1 Example 1: using apply to get summary data. 6.0.2 Example 2: Saving the results of apply. 6.0.3 Example 3: Using mapply to compute a new variable. 6.0.4 Example 4: Using tapply to explore population by region. new york in 1899WebThe text was updated successfully, but these errors were encountered: new york in 1775WebNov 14, 2024 · ERROR : dim (X)的值必需是正数. 进行单个基因的两个或两个以上样本的cpm/tpm的 t检验/anova检验 显示ERROR : dim (X)的值必需是正数 ，不知道怎么解决. 0 条评论. milford valley stuffed chicken snacks