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使用最后一行合并两个数据框
原文：Join two data frames using the last row

我们的气象站每周记录每天的天气数据(大约7行/观察),我们每周收集一次疾病数据(每周一次观察/记录)。我怎么能加入...最后一行?

我如何使用pivot_longer和/或pivot_wider来调整我的数据?
原文：How do I use pivot_longer and/or pivot_wider to restructure my data?

我有以下数据:

• 如何设立新栏,将现有一栏的累计总额加起来?
原文：How to create new column that cumulatively sums to cumulative sum of existing column?

Using tidyverse functions, I m looking to create a new column of data that sums up to the cumulative sum in the first column, but uses increments no greater than incr. That could start with df incr &...

around around around around around : case mat inside inside :
原文：Utilizing value labels in custom wrapper function around dplyr::case_match() to go inside of dplyr::mutate() and dplyr::across()

我是社会科学家,他们用大量调查数据开展工作。许多变数是四个点:四点商定――如对应办法“严格商定”、“协议”和......。

查看特定项目的多个栏目,并退还R栏中的标号
原文：Look for multiple strings in multiple columns for a particular item and return the colnames in R

我想找到一个特定项目的两栏。我需要获得项目_Name中每个项目的“0/1”或“1/1”号标语。

d 具有有条件值的复方,或设立一类
原文：dplyr mutate with conditional values AND OR to create a group category

我有一个数据集,它包含一个称为有多种选择的个人的变量。

随意从群体中选择价值观顺序
原文：Select sequences of values from groups at random

这里的数据是:

按多个栏目分列的yr年数据
原文：Filtering data in dplyr by multiple columns

Here are my dummy data year <- c(2012, 2012, 2013, 2019, 2020, 2021, 2022) individual <- c(1, 1, 1, 2, 2, 3, 3) group <- c("A", "B", "A", "A&...

在R的筛选清单中添加
原文：Iterate over a list of filters in R

I would like to iterate over a a list of combinations of filters that are applied to the multiple columns of a dataframe that looks like this: df <- data.frame( ID1 = c("Asset1", &...

有条件使用分行,分行的分行方式不同,分管
原文：Applying conditional to a subset of rows where rows are different formats in dplyr

我想在一个数据集中标明一栏下的所有条目均为北美。令人惊讶的是,一些浏览正在铺设,有些是数字。

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原文：Tidy approach to assess the agreement among dichotomised/binary parameters

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