WebJun 13, 2024 · You can do something like this: labs = letters [3:7] vec = rep (1:5,2) factorVec <- factor (x=vec, levels=sort (unique (vec)), labels = c ( "c", "d", "e", "f", "g")) I have sorted the unique (vec), so as to make results consistent. unique () will return unique values based on the first occurrence of the element. WebR 语言创建因子使用 factor () 函数，向量作为输入参数。 factor () 函数语法格式： factor(x = character(), levels, labels = levels, exclude = NA, ordered = is.ordered(x), nmax = NA) …
Renaming levels of a factor - cookbook-r.com
WebFactors are the data objects which are used to categorize the data and store it as levels. They can store both strings and integers. They are useful in the columns which have a limited number of unique values. Like "Male, "Female" and True, False etc. They are useful in data analysis for statistical modeling. A factor in R is a data structure used to represent a vector as categorical data. Therefore, the factor object takes a bounded number of different values called levels. Factors are very useful when working with character columns of data frames, for creating barplots and creating statistical summaries for categorical … See more The factorfunction allows you to create factors in R. In the following block we show the arguments of the function with a summarized description. You can get a more detailed description of the function and its arguments … See more Suppose you have registered the birth city of six individuals with the following codification: 1. 1: Dublin. 2. 2: London, 3. 3: Sofia. 4. 4: Pontevedra. Hence, you will have something like the following data stored in a numeric … See more Now we will review an example where our input is a character vector. Suppose, for instance, that you have a vector containing the week days when some event happened. Thus, you can convert your character vector to … See more If the input vector is numeric, as in the previous section, the corresponding label (the city) is not reflected. In order to solve this issue, you can … See more cea kod icd
r factor - Change levels and labels using the `as_factor` R haven ...
WebOct 9, 2024 · 在ggplot2中为柱状图添加百分比标签[英] Adding percentage labels to a bar chart in ggplot2 WebR has a number of (undocumented) convenience functions for converting factors: as.character.factor; as.data.frame.factor; as.Date.factor; as.list.factor; as.vector.factor... But annoyingly, there is nothing to handle the factor -> numeric conversion. As an extension of Joshua Ulrich's answer, I would suggest to overcome this omission with the ... WebApr 10, 2024 · Logical, if TRUE, labels are only searched for in the the vector's attributes; else, if attr.only = FALSE and x has no label attributes, factor levels or string values are returned. See 'Examples'. String, indicating whether the values associated with the value labels are returned as well. If values = "as.name" (or values = "n" ), values are ... ceajer