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19771 questions

1 answers
356 views
0

You want to use R to replace column values with NAs in other columns

Cleaning data using R.Below are three columns (ID, s1, s2) with two missing s1.If there is a missing s1, I would like to create a column that replaces the same row of s2 with NA. Could someone tell me...

r tidyverse rstudio

1 years ago

1 answers
381 views
0

I would like to know more about the format of creating the same file by language, such as README-ja.md/README.ja.md.

There seemed to be at least two major ways to translate documents such as README into multiple languages.1.README-ja.md (include in filename)Example: https://github.com/iamkun/dayjs/blob/dev/docs/ja/R...

markdown

1 years ago

1 answers
362 views
0

If the property name of the Javascript is '-', the code cannot be executed properly.

When I tried to execute the following code on the browser console, it was recognized separated by - and the code could not be executed successfully.I'd like to know how to deal with it, but could you ...

javascript html

1 years ago

1 answers
348 views
0

Please tell me the glm of each group on Rstudio.

in the data frame (df) belowglm(BP to age+sex+BMI, data=df).Is there a way to analyze data frames by group (sex)?Data frames interested:IDage Sex BP BMI1　　43　　0　120　212　　62　　1　130　263　　54　　1　132　234　　...

r tidyverse rstudio

1 years ago

1 answers
350 views
0

Questions about Java methods. Please tell me how to write the following.

】List of animals and song brVerbs such as animal 'sound' dog barkcat meowBird sing (singing) Sheep bleat Pig grunt I would like to see the following on the console:My name is Taro Yamada!From now on, ...

java

1 years ago

3 answers
482 views
0

I want to add headers and footers to a text file with Linux commands.

I would like to process the text file (test.txt) using the Linux command as follows.before processing:--SQLAfter processing:header-- SQLfooterThe following shell scripts did not work:I would appreciat...

linux shellscript sed

1 years ago

2 answers
315 views
0

When an inexperienced person studies PHP and JavaScript, what year or later should the book be published?

I'm an inexperienced student, but I'd like to study programming languages PHP and JavaScript on my own.I heard that programming languages change in a few years.If it is a book, how many years or later...

javascript php

1 years ago

2 answers
354 views
0

What are the limitations on the number of simultaneous requests from Windows 10?

I'm doing web scraping with multi-threads, but my requests often fail.What is the limit on the number of simultaneous requests for Windows 10?Also, is it possible to change it?

windows-10

1 years ago

1 answers
393 views
0

I have a question regarding the use of java library when doing a coté.

Hi, everyone. Can I use any library when I coat with java?For example, if you have a problem with sorting, use Arrays.sort()Use Map = new TreeMap<>(Collections.reversOrder())). Is this not a pro...

java sorting library collections

1 years ago

1 answers
344 views
0

nuxt32 fetch but only one request will be skipped

nuxt ver:3.0.0-rc.11In the following configuration, create a component that invokes the fetch method of the compatible and After calling twice on pages, they call API requests only once components:com...

nuxtjs

1 years ago

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