dplyr error in select: unused argument

An unused argument error might appear with any function (for example, dplyr), and the primal cause is a misunderstanding. If the function appears with the same name in multiple active libraries, then make sure which of them you are using. If you are not using from the library what you think you are using, then… Continue reading dplyr error in select: unused argument

How to run R script from another R script and use as a source

Here is a solution with running R script from another R script and using as a source. It comes handy when R script uses different bit version R, or you want to continue script execution with another one.

How to run Excel file from Windows 10 Task Scheduler

Sometimes, when Excel file contains macros that can run automatically when the file opens, there is a need to do that periodically and autonomously. In that case, Windows Task Scheduler comes handy. Here is how to run Excel with Windows Task Scheduler.

How to create group index with Power Query or R

It is possible to generate a group index (unique row ids) by one or many groups in Power Query. It comes handy when you have to detect the first or last record in each group. Here is 2 solutions: group index with M language and group index with R.

How to generate time intervals or date sequence in R

In this post, you will get summary and code examples for creating time intervals, date or date-time sequence different ways in R. For example, you have to make summary statistics for 15 minute time intervals in R. There might be situations wherein a 15 minute interval is no data. It is necessary to, first of… Continue reading How to generate time intervals or date sequence in R

How to animate Excel chart in PowerPoint

Data visualizations are a great way to present your data, but sometimes you need to add some animation effects in PowerPoint to make your storytelling better. Here is a fast and easy approach on how to animate an Excel chart in a few steps.

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