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R语言dim x must have a positive length

WebR语言 dim ()用法及代码示例. R语言中的dim ()函数用于获取或设置指定矩阵、数组或 DataFrame 的维数。. 用法： dim (x) 参数：. x: 数组、矩阵或 DataFrame 。. 范例1：. # R program to illustrate # dim function # Getting R Biochemical Oxygen Demand Dataset BOD # Getting dimension of the above dataset dim ... WebDec 25, 2024 · 目录 Error in apply (df$var1, 2, mean) : dim (X) must have a positive length 问题： 解决： 完整错误： 问题： #出现错误是因为apply（）函数必须应用于dataframe …

R Error in apply - dim(X) must have positive length (2 …

WebAug 11, 2024 · To avoid this warning entirely, we could use the sapply () function with just the three numeric columns: #calculate mean of each numeric column sapply (df [c ('points', 'assists', 'rebounds')], mean, 2) points assists rebounds 90 33 28. Notice that the mean of each numeric column is successfully shown and we receive no warning message. WebCommon R Error Messages Fixing the R error in apply dim (x) must have a positive length This error message occurs when you try to use the apply function on subparts of a data … can i skip commercials on sling tv https://videotimesas.com

dim(X) must have a positive length - rstudio - Posit …

WebFeb 22, 2024 · How to Fix in R: dim(X) must have a positive length. 3. How to Fix: non-numeric argument to binary operator in R. 4. How to Fix in R: Argument is not numeric or logical: returning na. 5. Convert Factor to Numeric and Numeric to Factor in R … WebNov 12, 2015 · Error in apply (CancCheck [, 2], 2, cumsum) : dim (X) must have a positive length The function should "Compute cumulative sums of columns of matrix". I'm not clear on what it defines as the "dim (x)" that it is not positive. Below are the dput () for CancCheck and CancNP: iForeper <- 200 CancCheck WebIf each call to FUN returns a vector of length n, then apply returns an array of dimension c (n, dim (X) [MARGIN]) if n > 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’ dimension. can i skip class

What is dim() Function in R (5 Examples) - R-Lang

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R语言dim x must have a positive length

MCA - Multiple Correspondence Analysis in R: Essentials - STHDA

WebDec 25, 2015 · 注： 虽然vector是一维的array，但是不能使用apply，array只能用在二维及以上的array上，因为apply要求dim (X)的值必需是正数，vector对象的dim值为NULL。. 2. tapply函数. 按 indices 中的值分组，把相同值对应下标的array中的元素形成一个集合，应用到 FUN 。. 类似于group by ... WebValue. fit_pch(): object of class pch_fit (list) containing the following elements: XC - numeric matrix, dim(I, noc)/dim(dimensions, archetypes) feature matrix (i.e. XC=data[,I]*C forming the archetypes), or matrix with cluster centers (method = "kmeans"); S - numeric matrix of archetype values per example (e.g. cell) or cluster membership (method = "kmeans"), …

R语言dim x must have a positive length

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WebNov 4, 2024 · This is the current r chunk model = rpart(loan_status ~ loan_amnt+age, data=dat2, method="class", control=rpart.control(minsplit=1, minbucket=1, cp=0.001)) … WebDec 3, 2024 · If you must make some objects, minimize their size and complexity. Many of the functions and packages you already use to import data from delimited files also offer a way to create a small data frame “inline”: read.table() and friends have a text argument. Example: read.csv(text = "a,b\n1,2\n3,4").

WebR语言使用dim函数查看数据维度、例如、使用dim函数查看dataframe数据有多少行多少列. mydata # dimensions of an object dim (mydata) dim (age) length (age) . &gt; mydata. age gender weight. 1 25 male 160. 2 30 female 110. 3 56 male 220. &gt;. &gt; … WebMay 19, 2024 · 在本文中，我们将重点介绍如何修复 R 编程语言中的“ dim (X) must have a positive length”错误。 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 …

WebSep 24, 2024 · MCA(X, ncp = 5, graph = TRUE) X: a data frame with n rows (individuals) and p columns (categorical variables) ncp: number of dimensions kept in the final results. graph: a logical value. If TRUE a graph is displayed. In the R code below, the MCA is performed only on the active individuals/variables : res.mca - MCA(poison.active, graph = FALSE) WebDec 2, 2024 · how to solve “dim(X) must have a positive length” at running ComBat function in R. Ask Question Asked 3 years, 4 months ago. Modified 3 years, 3 months ago. Viewed 3k times 0 $\begingroup$ I used ComBat() for batch ...

WebAug 19, 2014 · Error in apply (apply (z, 2L, is.na),2,all): dim (x) must have a positive length This code worked fine before, and all I've done is change the values of predictor6. There are no NA values in the data, class (predictor6) returns numeric for both datasets, and the max min values of predictor6 are still within the range they were in before.

WebApr 5, 2024 · The dim () function in R is used to get or set the dimensions of a matrix, array, or data frame. It returns the number of rows and columns as a vector or sets them if you assign a value. For example, dim (m) returns the dimensions of m, and dim (m) <- c (3, 4) changes m to have 3 rows and 4 columns. Syntax can i skip luffy and ace backstoryWebR Error in apply - dim (X) must have positive length (2 Examples) R Error in apply – dim (X) must have positive length (2 Examples) In this article you’ll learn how to handle the “Error … five little indians summaryWebVideo, Further Resources & Summary. Have a look at the following video of my YouTube channel. In the video, I’m explaining the R code of this article in a live programming session. five little indians reviews