swirl | : cyclone : Learn R , in R | Data Visualization library
kandi X-RAY | swirl Summary
kandi X-RAY | swirl Summary
swirl is a platform for learning (and teaching) statistics and R simultaneously and interactively. It presents a choice of course lessons and interactively tutors a student through them. A student may be asked to watch a video, to answer a multiple-choice or fill-in-the-blanks question, or to enter a command in the R console precisely as if he or she were using R in practice. Emphasis is on the last, interacting with the R console. User responses are tested for correctness and hints are given if appropriate. Progress is automatically saved so that a user may quit at any time and later resume without losing work. swirl leans heavily on exercising a student's use of the R console. A callback mechanism, suggested and first demonstrated for the purpose by Hadley Wickham, is used to capture student input and to provide immediate feedback relevant to the course material at hand. swirlify is a separate R package that provides a comprehensive toolbox for swirl instructors. Content is authored in YAML using the handy tools described on the instructors page of our website. The program is initiated with swirl(). Functions which control swirl's behavior include bye() to quit, skip() to skip a question, main() to return to the main menu, play() to allow experimentation in the R console without interference from swirl, nxt() to resume interacting with swirl, and info() to display a help menu.
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Trending Discussions on swirl
QUESTION
I'm using Nextjs and Tailwind for the css. I deployed to vercel since it's optimized for Nextjs but my background images are not showing after deployment.
The repo: https://github.com/Dayropo/tkbrown The site: https://tkbrown-6di53m6xz-dayropo.vercel.app
When I checked the developer tools I saw this
....bg-swirl { background-image: url(webpack:///mini-css-extract-plugin/_next/static/media/swirl_t1.8b530f8a.png) }
ANSWER
Answered 2022-Apr-15 at 19:58Change your tailwind.config.json
to these:
QUESTION
ANSWER
Answered 2022-Apr-01 at 07:23Snowsight does not show execution status in Worksheet tab level. You'd need get into each Worksheet file.
To see the Status of all running queries in parallel, you can always go to the Query History tab
QUESTION
I have a use case where I get dates with different locales and I'am trying to parse them into RFC2822.
The issue is that with some locales moment just does not parse the date correctly. For example "24 janv. 2022" does not work.
The locale for the date is "fr"-French and it should match the "ll" format. However I can't seem to make moment parse that string correctly.
Codepen: https://codesandbox.io/s/sad-swirles-21cf9?file=/src/App.js:53-130 (check the console)
Code:
...ANSWER
Answered 2022-Jan-31 at 11:39The issue is that you are not properly importing the localization, have a look at Loading locales in NodeJS section in the docs.
The linked code works if you put:
QUESTION
I want to write a piece of code to create a list of random potions for D&D 5e from a few given parameter lists. And I was almost done, every bit of code working properly apart from a single line of code.
I expect an output of this sort: "The liquid is: Yellow with flecks of colour.". Instead, I get this: " with flecks of colour.". Basically, the entire part with: "The liquid is: " gets omitted. Weirdly enough it works fine in one single case, when the colour is "Dark Red".
Here is the minimal working example:
...ANSWER
Answered 2022-Jan-03 at 02:18That could be the problem with line endings. If you created the file in Windows (thus you have "\r\n"
line endings) and use this file in Linux, the getline
would work differently. It will use '\n'
as a delimiter, but will treat '\r'
as a separate string. As the result you may get some appearences equal to "\r"
. At the end of the day you could output that:
QUESTION
I have multiple arrays that look more or less like so :
...ANSWER
Answered 2021-Nov-01 at 17:25I would start with a "template string" (just a name, not realted template literals) that has a specific phrase to be replaced, and an array of the values to replace it with, then map the replacement values with the template string.
QUESTION
I am using react-slick for slider. I want to stop the video when the slide changes. I use useRef for this, but the play or pause functions do not work. How can i solve this?
...ANSWER
Answered 2021-Oct-14 at 13:10Instead of useRef you can add an id to the video player and then use getElementById.
QUESTION
Updated: I realize that in C I initialized the word counter 1. (I've tried to delete the inquiry but I was not allowed) :/
in order to try to learn to code I signed up for CS50 and on PSET2 there's an exercise called "Readability". I'm trying to recreate the program with JavaScript. According to the instructions provided the output of input should be 55 words but I'm getting 54.
My For Loop is iterating over each element of the array and if it finds a space, it will add 1 to the words counter (my guess is that it is not counting the last word because it ends with a ".")
However, my C program code seems to work fine.
JavaScript Code:
...ANSWER
Answered 2021-Oct-07 at 10:19If there is a single space in two text then word should be number of space + 1
e.g hello world
so there is only 1
space so number of word will be 2
QUESTION
I want to try two things in google cloud.
- Nested virtualization to create bunch of simple office computers with gpu support (nvidia grid).
- Premptible render nodes and AI training nodes , to work with some fault tolerant algorithms.
I have activated my account. Requested more GPU all regions increase. Mailed to the support. Tried to chat with technical support.
-- Mail delivery subsystem error. gc-team@google.com
-- Chat did not start, circle swirled forever
What should I do ?
Thank you.
...ANSWER
Answered 2021-Oct-01 at 10:26As I have been informed, in some regions, google cloud prefers opening gpu's and some services through their solution partners. I have contacted sales, arranged a meeting. In this meeting, they redirected me to a solution partner. We signed a reseller contract, prices and services are same unless you ask for additional value-added support from local reseller. They gave me a sub-id and registered my company domain and e-mail to gcs. Everything works now.
Bottom line I get from this is:
If you wanna get serious with google cloud you may want to contact sales directly.
QUESTION
I have a word game here made with javascript,
I play against a robot that guesses a word from a directory of words it has. If the guessed word have a matching letter and matching index it turns blue and gets displayed.
If any letter only exist in the guess word but not at correct index it turns orange.
The robot now randomly guesses the words and doesn't do anything with the blue or orange letters. I want the robot to filter the word directory it guesses from with the letters that are correct or exist in the guess word.
I can store those letters in two variable but I'm having scope problems to filter the word directory from the scope these variable
...ANSWER
Answered 2021-Aug-04 at 09:42You have too much code too see where the problem is happening. Is this the filter you are looking for?
QUESTION
Hi i am writing a javascript guessing game which on start of the page a random word is generated, then the user tries to guess the word, if the user guess the whole word correctly the word is turned to green and pushed to page. i have made this part. now here if the user guess doesn't match the random word I'm trying to compare the two words and if any letters in user guess matches the random words letters and both letters are at the same index the letter in the use guess becomes yellow and then pushed to the screen. but if the letters is in the wrong index but still exist in the other word i want that letter to be blue.i have tried to make them into arrays and compare them but i cant find the logic to do so.
...ANSWER
Answered 2021-Aug-03 at 11:09You can make use of String#includes()
and String#charAt()
to check each character in the userGuess
against the pickedWord
.
The snippet below uses the results to wrap each character in a span
of the appropriate color. You can refactor the HTML generated as needed.
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