在 NAMESPACE 中声明了 S3 方法，但在 R 中找不到答案

【问题标题】：S3 methods were declared in NAMESPACE but not found for R在 NAMESPACE 中声明了 S3 方法，但在 R 中找不到
【发布时间】：2021-07-07 08:34:16
【问题描述】：

我正在尝试安装 tidyverse 并加载它。这样做时面临以下问题 S3 方法已声明但未在 NAMESPACE 中找到

library(tidyverse)

 undefined exports: abline, arrows, assocplot, axTicks, Axis, axis, axis.Date, axis.POSIXct, barplot, box, boxplot, bxp, cdplot, clip, close.screen, co.intervals, contour, coplot, curve, dotchart, erase.screen, filled.contour, fourfoldplot, frame, grconvertX, grconvertY, grid, hist, identify, image, layout, layout.show, lcm, legend, lines, locator, matlines, matplot, matpoints, mosaicplot, mtext, pairs, panel.smooth, par, persp, pie, plot.design, plot.function, plot.new, plot.window, plot.xy, points, polygon, polypath, rasterImage, rect, rug, screen, segments, smoothScatter, spineplot, split.screen, stars, stem, strheight, stripchart, strwidth, sunflowerplot, symbols, text, title, xinch, xspline, xyinch, yinch, .filled.contour, barplot.default, boxplot.default, boxplot.matrix, contour.default, hist.default, image.default, lines.default, pairs.default, plot.default, points.default, text.default
In addition: Warning message:
S3 methods ‘Axis.default’, ‘Axis.Date’, ‘Axis.POSIXt’, ‘Axis.table’, ‘barplot.default’, ‘barplot.formula’, ‘boxplot.default’, ‘boxplot.formula’, ‘boxplot.matrix’, ‘cdplot.default’, ‘cdplot.formula’, ‘contour.default’, ‘hist.Date’, ‘hist.default’, ‘hist.POSIXt’, ‘identify.default’, ‘image.default’, ‘lines.default’, ‘lines.formula’, ‘lines.histogram’, ‘lines.table’, ‘mosaicplot.default’, ‘mosaicplot.formula’, ‘pairs.default’, ‘pairs.formula’, ‘persp.default’, ‘plot.data.frame’, ‘plot.default’, ‘plot.factor’, ‘plot.formula’, ‘plot.function’, ‘plot.histogram’, ‘plot.raster’, ‘plot.table’, ‘points.default’, ‘points.formula’, ‘points.table’, ‘spineplot.default’, ‘spineplot.formula’, ‘stripchart.default’, ‘stripchart.formula’, ‘sunflowerplot.default’, ‘sunflowerplot.formula’, ‘text.default’, ‘text.formula’ were declared in NAMESPACE but not found

【问题讨论】：

标签： r tidyverse

【解决方案1】：

在长时间寻找答案之后，再次卸载 R 和 RStudio 似乎更好。之后问题就解决了。

似乎不是正确的解决方案，但无论如何都有效。

【讨论】：