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kandi X-RAY | polr Summary
kandi X-RAY | polr Summary
There are breaking changes between 2.x and 1.x; it is not yet possible to automatically upgrade to 2.x. We would like to thank Oregon State University's Open Source Lab for providing resources for our infrastructure. The Polr website and demo are hosted on their infrastructure. Thank you to lastspark for providing our logo's icon. Polr uses Semantic Versioning.
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Community Discussions
Trending Discussions on polr
QUESTION
Example data:
...ANSWER
Answered 2021-Nov-07 at 10:55One can set model.names
to FALSE
.
QUESTION
I'm running a list of ordered logit models with different variables etc. I want to convert the output into a tidy tibble to use in ggplot etc. (I also want to save the 'regular model output' so I want to do this separately.)
I want to do this in an automated way, using purrr or lapply or some such, to be able to first 'run all the models' (automating that is another question for later) and then 'tidy all the models', the latter presumably generating a list of tibbles.
I've tried the following, but it throws: Error: No tidy method recognized for this list.
ANSWER
Answered 2021-May-19 at 03:22Something like this ?
QUESTION
Where am I going wrong? I'm using Python 3.
...ANSWER
Answered 2021-May-16 at 23:08Encode your string audio
with .encode("utf8")
:
QUESTION
I know that polr
does not give p-values because they are not very reliable. Nevertheless, I would like to add them to my modelsummary
(Vignette) output. I know to get the values as follows:
ANSWER
Answered 2021-May-05 at 13:12I think the easiest way to achieve this is to define a tidy_custom.polr
method as described here in the documentation.. For instance, you could do:
QUESTION
Cross posted on CrossValidated.
I am trying to bootstrap my results for a variation of the 2SLS approach (2SRI), based on this link. For some reason, the bootstrap does not produce any results.
...ANSWER
Answered 2021-Apr-20 at 05:47This answer is based on this link, answer by @jay.sf.
QUESTION
I have done an ANOVA test on ordinal logistic regression, and I'm trying to export the results in Word, but tab_df
doesn't print stars on p-values.
How can I add stars to p-values?
This is the code:
ANSWER
Answered 2020-Oct-21 at 14:13you should explicitly add the stars as tab_df
doesn't use the params:
QUESTION
I'm using the polr
function to run an ordered logistic regression. Reglog
is my data frame and Reglog$wtp
is the response variable. Here is a list of all the variables in my model.
- wtp <- Reglog$WTP
- perception<- Reglog$Persepsi
- income <- Reglog$pendapatan
- age <- Reglog$usia
- education <- Reglog$usia
- experience <- Reglog$pengalaman
- home <- Reglog$rumah
At the first, wtp
was chr
, so I converted it into an ordered factor
.
ANSWER
Answered 2020-Sep-17 at 03:34You might need to use method = c("logistic")
.
QUESTION
I am running an ordinal regression model. I have 8 explanatory variables, 4 of them categorical ('0' or '1') , 4 of them continuous. Beforehand I want to be sure there's no multicollinearity, so I use the variance inflation factor (vif function from the car package) :
...ANSWER
Answered 2020-Sep-08 at 19:45The vif()
function uses determinants of the correlation matrix of the parameters (and subsets thereof) to calculate the VIF. In the linear model, this includes just the regression coefficients (excluding the intercept). The vif()
function wasn't intended to be used with ordered logit models. So, when it finds the variance-covariance matrix of the parameters, it includes the threshold parameters (i.e., intercepts), which would normally be excluded by the function in a linear model. This is why you get the warning you get - it doesn't know to look for threshold parameters and remove them. Since the VIF is really a function of inter-correlations in the design matrix (which doesn't depend on the dependent variable or the non-linear mapping from the linear predictor into the space of the response variable [i.e., the link function in a glm]), you should get the right answer with your second solution above, using lm()
with a numeric version of your dependent variable.
QUESTION
I want to test for significant differences of the intercepts in an ordered logit model.
...ANSWER
Answered 2020-Jun-27 at 14:22We may test hypotheses on the intercepts of a "polr"
object using car::linearHypothesis.default
. The method has an argument coef.=
which we may feed with the combined coefficients
and zetas
, giving us correspondence with the already correctly existing vcov
. The hypothesis.matrix=
we define as a matrix.
QUESTION
The goal is to make a single ordered logistic regression using multiple data frames with the same structure.
In the example below I joined two data frames to be able to do a single ordered logistic regression. However, I would like a solution that automates the process, since there are 417 data frames.
...ANSWER
Answered 2020-May-12 at 03:23The i
in your loop is not the data. It's the index of the character vector you created outside the loop. But be careful assigning the name to data
as you then create one more item in the for loop! Best to rename that. Your other problems are that you never save the results of each model, only the last one. So use a list to save them all and then lapply to extract them.
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