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kandi X-RAY | opinion Summary
this is my opinion on koa and stuff
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QUESTION
I have a small dataset based on a survey(about 80 obsv) & on which i want to perform a logistic regression using SAS.
My survey contains some variables (named X1,X2,X3) that i want to reunite as categories of a new created variable named X4.
The problem is that those variables X1-X3 already have categories (YES/NO/WITHOUT OPINION)
How can i reunite them as categories of X4 but with considering the values that they have ?
to help you understand my question :
Y(=1/0) = X1 X2 X3
X1-X3 each have 3 categories (YES/NO/WITHOUT OPINION)
What i want is :
Proc logistic data = have ; model Y = X4 and others such as age, city... but X4 can take 3 values.
The problem isn't creating X4 based on X1-X3 but how to affect X4 the values that X1-X3 each takes ?
(NB: i say X1-X3 but it's more)
I do this in SAS but even a theorical explanation would be helpful !
Thank you.
...ANSWER
Answered 2021-Jun-15 at 16:41I think that the comments are right for the most part - this probably won't help your regression.
But - to answer how to literally do this; usually what you would do is to use powers of 2 (or 3).
So, for typical "yes/no" where you don't care about the 3rd one, you'd assign things like this:
QUESTION
I have dataflow pipeline, it's in Python and this is what it is doing:
Read Message from PubSub. Messages are zipped protocol buffer. One Message receive on a PubSub contain multiple type of messages. See the protocol parent's message specification below:
...
ANSWER
Answered 2021-Apr-16 at 18:49How about using TaggedOutput.
QUESTION
I'm trying to understand best practices for Golang concurrency. I read O'Reilly's book on Go's concurrency and then came back to the Golang Codewalks, specifically this example:
https://golang.org/doc/codewalk/sharemem/
This is the code I was hoping to review with you in order to learn a little bit more about Go. My first impression is that this code is breaking some best practices. This is of course my (very) unexperienced opinion and I wanted to discuss and gain some insight on the process. This isn't about who's right or wrong, please be nice, I just want to share my views and get some feedback on them. Maybe this discussion will help other people see why I'm wrong and teach them something.
I'm fully aware that the purpose of this code is to teach beginners, not to be perfect code.
Issue 1 - No Goroutine cleanup logic
...ANSWER
Answered 2021-Jun-15 at 02:48It is the
main
method, so there is no need to cleanup. Whenmain
returns, the program exits. If this wasn't themain
, then you would be correct.There is no best practice that fits all use cases. The code you show here is a very common pattern. The function creates a goroutine, and returns a channel so that others can communicate with that goroutine. There is no rule that governs how channels must be created. There is no way to terminate that goroutine though. One use case this pattern fits well is reading a large resultset from a database. The channel allows streaming data as it is read from the database. In that case usually there are other means of terminating the goroutine though, like passing a context.
Again, there are no hard rules on how channels should be created/closed. A channel can be left open, and it will be garbage collected when it is no longer used. If the use case demands so, the channel can be left open indefinitely, and the scenario you worry about will never happen.
QUESTION
I want to get user's data (like nickname,country) who is champion. In my example I want to get data of nickname3 because who has 863 hiScore.It means nickname3 is champion. I tried some thing but it is not working. In my opinion firstly I should find the champion's refference. After finding refference of champion, I can try get values of children of champion. Can you help me. How can I get the values of the champion.
What I tried is
...ANSWER
Answered 2021-Jun-14 at 15:21When you execute a query against the Firebase Database, there will potentially be multiple results. So the snapshot contains a list of those results. Even if there is only a single result, the snapshot will contain a list of one result.
So in your case you need to handle the fact that the dataSnapshot
contains a list of child nodes by looping over dataSnapshot.children
. Something like this:
QUESTION
I use datatablejs server-side in my MVC project. When I click to a column it sends the column name to server and I take the column name after all I order the table.
But the problem is in a table I don't want to order a column by server-side. I just want to order this column in front-end. How can I do that?
Here is some code:
...ANSWER
Answered 2021-Jun-14 at 13:36I get a link how to solve my problem.
here is the link: Problem Solved here
The solution is: When we get the table's data from the server, we can disable the server side processing temporary.
QUESTION
I'm recursively creating a form but I'm getting a cannot find control with name error. You can see how I use in it in the stackblitz but the from is uncommented for me. In my opinion it seems like the form isn't being loaded for some reason because if I delete the insides of the form I get the same exact errors.
...ANSWER
Answered 2021-Jun-14 at 11:05The solution for this question is the same as for this one:
Angular NgModel Binding cannot read property of undefined
Here is the solution:
The problem was in my html, when using ng-container the forms started to get funky. Now when I generate the my html recursively this soltuion works:
QUESTION
I was given a string below with Golang:
...ANSWER
Answered 2021-Jun-12 at 10:22You may have luck using yaml for your input:
QUESTION
I have multiple times in my script, when I need to assign some long value to target variable. For example:
...ANSWER
Answered 2021-May-05 at 14:14If you assign variables multiple times it's the best to assign the variable's trough constants.
You shouldn't use methods like you described it.
Updated: Code Snippet
QUESTION
I have 2 article
selectors named .style1
and .style2
,
Expected CSS output:
...ANSWER
Answered 2021-Jun-13 at 11:48Use the &
parent selector like:
QUESTION
I try to make a binary heap in python but I get trouble printing it. I make sure that the logic in the program is right but when I want to try printing it I get the wrong result. This is what I want for program output:
Input:
...ANSWER
Answered 2021-Jun-13 at 15:33operation
is a list (you called split
), but you compare it as an int in your if
statements. Also, you should compare it against "1", "2", ... not 1, 2, ...
So:
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