tidyverse

英文: Extract leading numbers from string, but length varies R 问题 有一列包含字母和数字的字符字符串。该字符串始终以一个或两个数字开头，然后...

英文: Reshape strings within a dataframe in R 问题 Sure, here's the translation of the provided content:...

英文: Split a column into two, using parenthesis as separator in R 问题 I have a weird data format and I...

英文: Mutate case_when nested conditional labelling 问题 以下是代码部分的翻译： # 创建一个新的变量来根据测试表现的变化对每个个体进行分类 df2 &...

英文: Calculate the lagged differences between consecutive dates in vectors 问题 给定样本数据集如下： v = data.fra...

英文: How to inplace the result to the original dataframe in r tidyverse? 问题 我想通过分组的行数来计算日期差异： v = dat...

英文: R ""object '.' not found" error when replacing all NAs in a dataframe wit...

英文: Edit the space between axis ticks and axis labels in ggplot 问题 I want to learn to increase the s...

英文: How can I specify the last column of a tibble within the rename_with() function's ".col...

英文: group by and summarise a column into defined breaks 问题 以下是翻译的代码部分： 我有以下数据： （df <- data.frame(...