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Error in apply x 2 mean : dim x 的值必需是正数

WebDec 23, 2024 · There is a very similar question (how to solve “dim(X) must have a positive length” at running ComBat function in R) ... Stack Exchange Network Stack Exchange network consists of 181 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build their … 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 ...

Error in which (sapply (.tmp$err, function (x) any (x == c ("add ...

Web# NOT RUN {## Compute row and column sums for a matrix: x <- cbind(x1 = 3, x2 = c (4: 1, 2: 5)) dimnames (x)[[1]] <- letters [1: 8] apply(x, 2, mean, trim = .2) col.sums <- apply(x, … WebMay 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 … charlies stores water butt https://sportssai.com

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WebDec 4, 2024 · Error in apply(data$x, 2, mean) : dim(X) must have a positive length. As you can see, the error notice appears in the RStudio console. The reason for this is that we … 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. > as.matrix(data.frame(shoes),nrows=10,ncols=2,byrow=T) A B [1,] 13.2 14.0 [2,] 8.2 8.8 [3,] 10.9 11.2 [4,] 14.3 14.2 [5,] 10.7 11.8 [6,] 6.6 6.4 [7,] 9.5 9.8 [8,] 10.8 11.3 [9,] 8.8 9.3 … WebMay 19, 2024 · mean()函数的参数：dim=0,按行求平均值，返回的形状是（1，列数）；dim=1,按列求平均值，返回的形状是（行数，1）,默认不设置dim的时候，返回的是所有元素的平均值。x=torch.arange(12).view(4,3) ''' 注意：在这里使用的时候转一下类型，否则会报RuntimeError: Can only calculate the mean of floating types. charlies stores welshpool online

R的apply函数怎么用？ - 知乎

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Error in apply x 2 mean : dim x 的值必需是正数

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WebJul 25, 2024 · The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:[email protected]. WebAug 2, 2024 · Error in apply (df$var1, 2, mean) : dim (X) must have a positive length. This error occurs when you attempt to use the apply () function to calculate some metric for a …

Error in apply x 2 mean : dim x 的值必需是正数

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WebError 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) dim(X) must … WebValue. If each call to FUN returns a vector of length n , and simplify is TRUE, then apply returns an array of dimension c (n, dim (X) [MARGIN]) if n &gt; 1. If n equals 1, apply returns a vector if MARGIN has length 1 and an array of dimension dim (X) [MARGIN] otherwise. If n is 0, the result has length 0 but not necessarily the ‘correct ...

WebMar 15, 2024 · The two response values were listed as such in the model, as per the previous issue: WebNov 22, 2024 · r语言dim(X)的值必需是正数？ ... lapply (student [2: 4], mean) 发布于 2024-11-22 04:12.

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 ...

WebValue. If each call to FUN returns a vector of length n , and simplify is TRUE, then apply returns an array of dimension c (n, dim (X) [MARGIN]) if n &gt; 1. If n equals 1, apply returns a vector if MARGIN has length 1 and an array of dimension dim (X) [MARGIN] otherwise. If n is 0, the result has length 0 but not necessarily the ‘correct ...

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 … hartland high school hartland michiganWebDec 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 … hartland high school hockeyWebMar 25, 2024 · mean()函数的参数：dim=0,按行求平均值，返回的形状是（1，列数）；dim=1,按列求平均值，返回的形状是（行数，1）,默认不设置dim的时候，返回的是所有元素的平均值。x=torch.arange(12).view(4,3) ''' 注意：在这里使用的时候转一下类型，否则会报RuntimeError: Can only calculate the mean of floating types. hartland high school hartland miWebExplanation of the error. Here are three examples of the apply function being used that helped illustrate this error message. > df = data.frame (A = c (1, 5, 8, 2, 7), + B = c (1, 2, … charlies streetWebdim(X) must have a positive length Computing summary statistics by groups: using the tapply() function Suppose you wanted to compute various summary statistics within groups (e.g., for each tree charlies stores ukWebapply(x,2,mean) 返回x中第二列的平均. apply(x,2,sum) 返回x中第二列的和. rowSums(x) 对每一行求和. rowMeans(x) 对每一行求平均. colSums(x) 对每一列求和. colMeans(x) 对每一列求平均. x=matrix(rnorm(100),10,10) 从正态分布中随机取100个数据，并将其排成10行10列 hartland high school lacrosseWeb6 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. hartland high school girls soccer