medley | A system for blending regression models in R | Machine Learning library
kandi X-RAY | medley Summary
kandi X-RAY | medley Summary
Medley is an R package which implements the Caruana et al., 2004 algorithm for greedy stepwise ensemble selection for regression models. The idea behind medley is to make the creation of "ensembles" or "blends" of models as simple as possible. Individual models can be produced by varying hyperparameters or input feature sets, as well as by changing the underlying model code.
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QUESTION
I am having a hard time reading a XML file in to a List(Of Object) in vb.net Any help would be appreciated.
The problem occurs when the deserialization happens. I get the following error
System.InvalidOperationException: 'There is an error in XML document (2, 2).'
Inner Exception InvalidOperationException: was not expected.
XML
...ANSWER
Answered 2021-Feb-18 at 22:42I worked on the assumption that you cannot change any part of the Xml structure, and would prefer to change your own VB.Net code
I renamed your class CRecord
to CD
as it better represents what you are loading, and the XmlDeserialization process will match the Xml name to the Class name.
Also, I added the attribute to each of the properties as the Xml Element name is all upper case and the VB.Net property is not. You can choose not to add this attribute, but then you will need to change the property names to be all upper case to match the Xml.
The final bit of code needed was telling the XmlSerializer class what to use for the root node:
New XmlRootAttribute("CRecord")
QUESTION
I have a string that contains a number of keywords. I would like to split the string into a list of those keywords (but keep the keywords because they identify what the following data means)
Take the following string for example:
...ANSWER
Answered 2021-Jan-25 at 03:24Here ya go:
QUESTION
I am new to xml and xslt . U have the following XML file
...ANSWER
Answered 2021-Jan-13 at 17:44artist
is an element, not an attribute. And it is a child of cd
, not of price
. Therefore change your:
QUESTION
I'm trying to write some test data to a local version of Firebase. I have these variables defined in my .env.local (and .env.development files) ...
...ANSWER
Answered 2020-May-12 at 23:29It looks like you might be missing process.env.FIREBASE_SECRET
(unless you've purposefully not included it since it's a private key). I should also point out that .env*
files are not suitable for storing private keys since they are bundled in your application code and are publicly accessible.
There are a couple of ways that you can initialise the admin SDK. They are outlined on the Add the Firebase Admin SDK to your server reference guide. It looks like you are attempting to initialise the SDK without parameters, which is covered here. Basically, you need to set an environment variable (via export
in your terminal, not .env
files) called FIREBASE_CONFIG
which is either a path to a JSON file containing your config information or is a JSON object containing your config information.
Good luck!
QUESTION
I am training a machine learning model in order to predict building price.
One of the columns is in what city the building is located. I have a lot of cities
...ANSWER
Answered 2020-Apr-11 at 12:39For these cases, when you're OneHot encoding the categorical variable, you want to set handle_unknown='ignore'
, so that unseen instances in the test set are ignored, and the output matrix has the same shape.
Here's a simple example:
QUESTION
Problem: I have attached my code for copy data and format of a html table into clipboard like below. This code work as I expected on chrome but does not on microsoft edge. I tried but cannot found any good way to make my code working on edge exactly like chrome. Is there any solution for these case?
Additional Infomation:
Chrome version: 78.0.3904.108
Edge version: Microsoft Edge 44.17763.831.0 --- Microsoft EdgeHTML 18.17763
This drive link included result of my code for chrome and edge browser (paste to text, word and excel file): https://drive.google.com/open?id=155DWin26afHumem0tYircVsNojKPEl5M
...ANSWER
Answered 2019-Dec-04 at 07:35I tried to test the issue and I found that I can produce the issue.
If your paste settings in Word and Excel are set as Keep Text only then you can see that table is not in format.
Generally when you paste using CTRL + V then it use Keep Text only formatting. I suggest you to paste the table using right click of mouse -> paste (Keep source formatting) option.
Notepad does not have any formatting option, so we cannot fix this issue for Notepad. It looks like this is by design in MS Edge browser.
For other work around, you can try to test the issue using MS Edge (Chromium) browser. Pasting the table will keep the formatting in Notepad, Word and Excel.
QUESTION
I tried the WindowAnalysis from music21. However I was wondering how i can convert the index of the window, into the time (in seconds or so) of the song. So for example how could I know at which time the first window is played? e.g. 2.5 seconds into the song
...ANSWER
Answered 2019-Nov-29 at 15:05using pretty_midi one can obtain a mapping from beat to time e.g.
QUESTION
Here's the analogy: I have an organism which is composed of cells which can be further composed of a medley of attachments.
What I have currently is a sort of event chain between child/parents to handle attaching and detaching components (which could affect anything along the chain) which doesn't involve ecs at all, they are functions in the entities.
Now I've used event components already (for mouse events on objects). If I wanted the system to be pure, would I create an attach component when I attach components etc? Even then how would I get all the necessary recipients to the system that consumes the component? Is it even worth it to handle it this way instead of a chain of functions? Is there a better way?
...ANSWER
Answered 2019-Jul-31 at 20:40Disclaimer: I'm not sure I got your question correctly. If it's not, I apologize for the rumor.
In order to handle hierarchies in an ECS, you can use a dedicated component similar to the following:
QUESTION
I'm using Python 3.7. I want to apply a regex to every element in my list. Here's the list
...ANSWER
Answered 2019-Aug-26 at 20:13filter
checks if the result of the filter function is "truthy" to include it in the result or not. It doesn't change the values of the elements. Here you're calling re.sub
that returns a non-empty string each time.
So your original list is unchanged. You mean a simple list comprehension:
QUESTION
I have a table with a field of "content" and a field of a "country". and I need to check if the country name appears in the text's content.
content:
- "La baguette est originaire de France"
- "החומוס הטוב ביותר הוא בישראל"
- "Michael Phelps earned his final gold medal when the United States
team won the 4×100-meter medley relay."
country:
- France
- ישראל
- United States
using like clause seems to be the right option, but I don't know how to use the values in the country field for this type of check.
...ANSWER
Answered 2019-Aug-18 at 10:50Naive approach with dictionary table:
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