bic | A C interpreter and API explorer | Interpreter library
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kandi X-RAY | bic Summary
A C interpreter and API explorer.
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bic Examples and Code Snippets
def bic(self):
"""
Returns BIC (Bayesian information criterion)
"""
if not self.is_fitted:
print("Model not fitted yet!")
return None
lm = sm.OLS(self.target_, sm.add_constant(self.featu
Community Discussions
Trending Discussions on bic
QUESTION
I have a WPF app, linked to a SQL-server. I am using the MVVM-light package (I do actually have Prism.Core installed, but I'm not sure if I'm using it or not.... new to MVVM).
There's a DataGrid
, bound to an ObservableCollection
.
I have been trying to implement the PropertyChangedEventHandler
, but I can't seem to get it to work.
I have a Delete button bound, and I am able to remove rows, but when I re-open the form, the changes does not carry over.
I tried to change the binding-mode for the DataGrid
from OneWay
to TwoWay
. With OneWay
, the changes does not carry over when I re-open the form. With TwoWay
, I get this error message when opening the child form (which contains the DataGrid
):
System.InvalidOperationException: 'A TwoWay or OneWayToSource binding cannot work on the read->only property 'licenseHolders' of type 'Ridel.Hub.ViewModel.LicenseHoldersViewModel'.'
So, If I then add a set;
to my public ObservableCollection licenseHolders { get; }
,
the program runs, but the previous problem persists, like it did when there was a OneWay
mode configuration on the DataGrid
.
What do I need to do to get this to work without communicating directly with the Sql-server
, which would defy the whole point of using this methodology in the first place?
ANSWER
Answered 2021-Jun-15 at 13:26You are confusing topics. The VM needs InotifyPropertyChanged
events, which you have but are not using, to notify the Xaml in the front-end that a VMs property has changed and to bind to the new data reference.
This is needed for List
s or ObservableCollection
s. Once that is done, the ObservableCollection
will then send notifications on changes to the list as items are added or removed.
Because you miss the first step:
QUESTION
I'm writing an app in WPF, trying to use the MVVM-design pattern (which is new to me).
I have a DataGrid
bound to an ObservableCollection
.
Delete the currently selected DataGrid-row using a 'Delete'-button. I've tried a plethora of forum-posts and videos to find a solution. The solution has probably stared me right in the face several times, but at this point I'm more confused than I was when I first started.
Any assistance would be appreciated.
ViewModel (updated with working code, thanks to EldHasp):
...ANSWER
Answered 2021-Jun-14 at 20:15You can use Prism. Intall package Prism.Core then Install-Package Microsoft.Xaml.Behaviors.Wpf -Version 1.1.31
packages in your project, in your xaml declare namespace as - xmlns:i="http://schemas.microsoft.com/xaml/behaviors"
QUESTION
looking to have the r squared, aic, bic, and deviance values presented for each of the four models here in the merged output
...ANSWER
Answered 2021-Jun-08 at 21:54The add_glance_source_note()
function adds the statistics as a source note, and the table may only have one source note. Use the add_glance_table()
function to add the statistics to the bottom of the table, and you'll be able to merge the tables without issue. Example below!
QUESTION
I'm trying to fit a generalized linear mixed model with glmmTMB
ANSWER
Answered 2021-May-27 at 19:42There are a number of issues here.
The proximal problem is that you have a (near) singular fit: glmmTMB
is trying to make the variance zero (5.138e-08 is as close as it can get). Because it fits on a log-variance (actually log-standard-deviation) scale, this means that it's trying to go to -∞, which makes the covariance matrix of the parameters impossible to estimate.
The main reason this is happening is that you have a very small number of groups (3) in your random effect (experiment
).
These are extremely common issues with mixed models: you can start by reading ?lme4::isSingular
and the relevant section of the GLMM FAQ.
The simplest solution would be to treat experiment
as a fixed effect, in which case you would no longer have a mixed model and you could back to plain glm()
.
Another slightly worrying aspect of your code is the response variable cbind(SARA_ph58, 1)
. If SARA_ph58
is a binary (0/1) variable you can use just SARA_ph58
. If you pass a two-column matrix as you are doing, the first column is interpreted as the number of successes and the second column as the number of failures; it looks like you may have been trying to specify that the total number of trials for each observation is 1 (again, if this is the case you can just use SARA_ph58
as the response).
One final note is that lme4::glmer
is a little more tolerant of singular fits than glmmTMB
.
QUESTION
I want to replace _
with \_
in a string.
ANSWER
Answered 2021-May-26 at 09:19You can use -
QUESTION
I am quite new to programming in general. I am working in Python and I am encountering some difficulties.
I have two functions with 4 varaiables each, they both contain the same variables. For the variables I created 4 lists with the different values for the variables. Now I would like Python to calculate/generate all the possible outcomes for the two functions.
Subsequently, I would like to plot these outcomes in a scatterplot but for now is there someone that can help me with this problem.
I have to tried to make a list with all combinations but I cannot link this to the 2 functions.
So x1
can be 6
, 7
, 8
.
x2
can be 4
, 5
, 6
.
x3
can be 2
, 3
, 5
, etc
Thanks a lot in advance!
...ANSWER
Answered 2021-May-12 at 08:25So perhaps you meant to do something like this:
QUESTION
In this question / answer from 5 years ago about logLik.lm()
and glm()
, it was pointed out that code comments in the R stats module suggest that lm()
and glm()
are both internally calculating some kind of scale or dispersion parameter--presumably one which describes the estimated dispersion of the observation values being predicted by the regression.
This naturally begets another question: if it's truly a real parameter being estimated by the fit algorithm somewhere (or even if it's just some kind of implicit / effective parameter), how do I access this parameter from the resulting fit object?
I've produced a MWE (plus supporting setup / plot code) below:
Part 1 constructs some simulated input data, which we'll fit to a straight line (implying two fit parameters are expected). Given the question is about a hidden, internally modeled dispersion parameter, I wanted to make sure the fit algorithm is forced to do something interesting, so therefore 10% of the points have been deliberately modeled as outliers. If you understand what's shown in the plot below, then you can probably skip reading this portion of the code.
Part 2 is the main body of the MWE, illustrating the point that my question is asking about: it runs
glm()
on the input data and examines some of the results, demonstrating thatlogLik()
claims three parameter estimates, in apparent disagreement withglm()
which seems to give two.Part 3 just produces a little supplementary figure based on the input data and results. It's only included for completeness & reproducibility; you can probably skip reading it too.
ANSWER
Answered 2021-May-03 at 01:13In the case of a Gaussian glm()
fit, the dispersion parameter reported by summary()
is the Mean Squared Error. If you fit the model with lm()
its equivalent in the reported summary would be the Residual Standard Error, i.e. its square root.
You can calculate the reported dispersion parameter/MSE from your glm()
object with
QUESTION
I have list1 let's say:
...ANSWER
Answered 2021-Apr-17 at 19:53If there is no spaces in "list 2" items. This way you can.
QUESTION
Please, how do I assign the N, Log-likelihood, AIC, and BIC values to each of the multivariate regression models in a merged gtsummary
table output?
I am a Rmerteur trying to fit additive multivariate models adding higher-level variables to subsequent models (see below example). Meanwhile, I could not retain the N, Log-likelihood, AIC, and BIC values for each model fit once I merge the separate models. I need the estimates to compare the fit across the models.
Is there an easy way to get this done?
Thank you for your help!
...ANSWER
Answered 2021-Apr-17 at 14:27You'll want to use add_glance_table()
instead of the source note version.
QUESTION
I am attempting to reproduce the filters used in an ARIMA model using stastmodels recursive_filter
and convolution_filter
. (My end objective is to use these filters for prewhitening an exogenous series.)
I begin by working with just an AR model and recursive filter. Here is the simplified experimental setup:
...ANSWER
Answered 2021-Apr-15 at 03:09I guess you should use convolution_filter
for the AR part and recursive_filter
for the MA part. Combining these sequentially will work for ARMA models. Alternatively, you can use arma_innovations
for an exact approach that works with both AR and MA parts simultaneously. Here are some examples:
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