Category "model"

MDCEV model estimation - all observations have zero probaility at starting value for model component

I am running an MDCEV model on location choice dataset and at first I ran into an error as "Log-likelihood calculation fails at values close to the starting val

Gurobi model Heap has been corrupted

I am using Gurobi (9.0.3) C API to build a LP model and change the constraints to get different objective value. However, sometimes when I run the code, there i

Is there any DSL (Domain Specific Language) in order to hold contracts?

I'm very used to protobuf, and the .proto files, I think it is such an amazing way of holding contracts between applications. gRPC takes this to another level,

How to interpret interactions in a multinomial ordinal regression (r)

A colleague and I ran a multinomial logistic regression using the 'ordinal' package in r and I am not sure how to interpret interactions between variables with

How to convert json array to model class in flutter dart/

{ "feed": { "entry": [ { "im:name": { "label": "The Rise" }, "im:ima

Custom model for GtkColumnView (GTK4)

I have an interface to ODBC, SQlite and ORACLE. I keep the data in my recordsets which I can edit (deleteRow, editRow, insertRow, pushBackRow,...). I am trying

I am having issue running this r code. I am trying to use ANN classification model to classify one variable using the other variables

this dataframe is about Farmers Risk attitude. I want to classify Risk Attitude, using Risk drought in Artificial Neural Network model. x=data.frame(x$Riskdroug

"mes":"Value cannot be null. (Parameter 'source')" when want to show value which is true in view with checkbox

Hi I have 3 tables: Role , Permission , RolePermission In my Razor page view I want to show each permission that is true for a special role with marking the che

Addig User And Role to my UserRole table - Never used column name is missing

I am trying to add Role to my User and store the UserID and the RoleID in the UsersRoles table. var userRole = await _roleManager.FindByNameAsyn

What is the from repeating same layers in AI architecture

I know that in ai models lstm is used to extract features from data and dropout is used to focus in the main ones, but i can't understand why people used to rep

Putting brackets when calling methods from laravel model

My route looks like this: Route::get('/tags/post/{id}', function ($id){ $post = Post::find($id); foreach ($post->tags as $tag) { return

Speed differences between QStandardItemModel and QAbstractTableModel?

Can anyone explain the following: I have 2 scripts for loading a pandas dataframe in a tableview which has a filter field. The one with the standard model loads

Blender render color different from the actual one

So, here's what i created But on rendering, the color changes.... I'm using cycles and HDRI.

AssertionError: Duplicate registrations for type 'experimentalOptimizer' when converting ssd model to tflite format

I was trying to convert my trained ssd model to tflite format. But I always face to this below error. error I faced Here is my code: //-------------------------

InvalidOperationException: Model item passed in the ViewDataDictionary is of type 'System.Object'

I encountered the problem when I was creating a Create page. Which lead me to an error message which says: Error Message: Im not entirely sure if my model name

Difference between hidden dimension and n_layers in rnn using pytorch

I am stuck between hidden dimension and n_layers. What I understood so far, is that n_layers in the parameters of RNN using pytorch, is number of hidden layers.

Pytorch nn.CrossEntropyLoss() always returns 0

I am building a multi-class Vision Transformer Network. When passing my values through my loss function, it always returns zero. My output layer consisits of 37

Field is not a stored field, only stored fields (regular or many2many) are valid for the 'groupby' parameter in Odoo 15

In the model, I added a Many2one field that is teacher_id and related to res.users, then i added teacher_gender that related to teacher_id.gender. teacher_id =

Laravel trying to save $appends attributes

I am coding on Laravel 6, and stumbled up on this problem. I have accessors for a field that i need in my model in some cases, but it does not exist in my datab

laravel db transaction context is available on called functions

I have found that for using DB::transaction in Laravel, in combination with the ORM, we need to run something like: DB::transaction(function() { // Mod