Questions tagged [error-message]
Refers to errors generated by a computer program or a statistical package. Make sure your question is related to STATISTICS, MACHINE LEARNING, or DATA ANALYSIS and is not solely about programming, support, or bugs. Include additional tags referring to the statistical issues involved.
87
questions
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1
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39
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R syntax of a second-order factor analysis. Does it work if one factor from the first order only consists of 2 items?
I tried the following syntax:
...
- 131
0
votes
0
answers
22
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Error when using eGARCH but not sGARCH in rugarch
I have implemented the basic sGarch model using the code below:
...
3
votes
1
answer
649
views
What is cor.smooth(R) : Matrix was not positive definite warning Cronbach alpha in Psych?
I'm getting the warning In cor.smooth(R) : Matrix was not positive definite, smoothing was done, but what is it in this case? Can I get away with that?
code:
<...
- 641
0
votes
1
answer
662
views
Hyperparameter Tuning for XGBoost multi-output regressor
I'm trying to tune hyperparameters for XGBoost using RandomizedSearchCV. I have five outputs and I guess that might be the reason that I can't run RandomizedSearchCV or GridSearchCV to tune ...
- 135
1
vote
1
answer
112
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Visualising data from glm/ glmer
Sorry if this question sounds very amateurish, but I am completely new to R and this website. So, I have a data set with counts of infected organisms as a response variable (for three different ...
- 11
0
votes
0
answers
190
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R error: fixed-effect model matrix is rank deficient so dropping 2 columns+ singularity error
I am trying to build a lmer model of my study comparing performance accuracies of bilinguals and monolinguals on a memory task. My dependent variable is the ...
- 1
0
votes
1
answer
175
views
Error: "corSymm" objects must be a sequence of consecutive integers when running this code
The Applied Longitudinal Analysis, 2nd Edition book as an R code to replicate table in section 5.7. The data for the TLC trial (tlc.dta) can be downloaded here:https://content.sph.harvard.edu/fitzmaur/...
- 117
0
votes
0
answers
441
views
"Model estimation FAILED! Returning starting values": SEM with missing data
I am using R (4.1.3) with lavaan to run a longitudinal SEM with the American National Election Studies 2016-2020 Panel Data. It's a simple model: Time 2 outcome (2 indicators) predicted by Time 1 ...
1
vote
0
answers
225
views
Mixed effects generalized additive model with multinomial response in R
I am trying to code a mixed effects model using gam that will predict stream classification (a 3-level factor - dry, wet, and discontinuous, called Flow_Stat) as a response to several categorical and ...
- 11
1
vote
0
answers
498
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Getting 【ValueError: Input contains NaN 】 when using ARIMA model on non-null data [closed]
I get the error ValueError: Input contains NaN, when I try to predict the next value of series by using ARIMA model from pmdarima...
- 113
0
votes
0
answers
69
views
how to extract prediction response from a model that include both factor and continues variables
I have a glm model that includes (dependent variable ~ continues + factor).
I try to use the predict function to extract the response of the continuous variable.
...
0
votes
0
answers
192
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Estimate GARCH model in EViews after removing missing data
I want to estimate daily stock prices and natural gas data with using GARCH in EViews. There are some missing days (like holidays etc.). When I extract them from the data set, ARCH is not working. ...
1
vote
0
answers
73
views
Multilevel modeling in R - comparing models fit to different size datasets
I'm running a set of multilevel models in R and want to see if adding in a predictor improves the fit of the model compared to the null/unconditional model with no predictors. When I try to run an ...
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2
votes
0
answers
656
views
Dealing with a warning message from prop.test in R
I did a prop.test for my data and I got this warning message :
...
- 309
1
vote
0
answers
200
views
Optimal truncation in SVD
I am working with SVD on a matrix $$Y_{m,n} = T_{m,m} \Sigma D^T_{n,n} $$
where $T$ and $D$ describe the row and the column entities of Y, respectively.
The truncated SVD takes the first $r$ ...
- 11
1
vote
0
answers
32
views
Problem fitting quadratic model in 'dosresmeta' package due to error regarding "leading minor"
I am trying to use the doresmeta package in R to evaluate the dose-response relationship between supplemental intake of a micronutrient and risk of a disease.
When ...
- 55
1
vote
0
answers
304
views
Error when forecasting volatility with GARCH model in R [closed]
I am trying to forecast volatility on four different time series which is returns of SP500, Nasdaq 100, Dow Jones and Russel 2000. the four time series consists of 3259 observation and is divided into ...
- 11
0
votes
1
answer
269
views
How to fit VAR after differencing (Error:NA in y)?
I want to run VAR model by using vars::VAR. Since my X1 was not stationary, I differenced it by diff(data$X1), then got a data ...
- 39
1
vote
1
answer
149
views
Trying to fit a Latent Growth Model in R and I get the error " Could not compute standard errors! The information matrix could not be inverted."
I know that there are several other posts dealing with this same issue but I still can't seem to figure out why my model isn't working. I don't believe it is under identified because it is a fairly ...
- 13
0
votes
0
answers
296
views
Error in forecasting using ARIMA with multiple regressors
I'm trying to do a multivariate time series forecasting using dynamic regression.
The data was collected for 148 weeks with two main variables- Shipment Qty(dependent variable) and Net.Production.Qty(...
- 73
0
votes
1
answer
287
views
Error in auto.arima with seasonal dummy variables [closed]
I have a monthly data set for 15 years. I tried to apply SARIMA model on it. However, thanks to the comments here, I realized that it has deterministic seasonality. So I add seasonal dummy variables (...
- 69
2
votes
1
answer
135
views
Parameter 'C' cannot be optimized for 'nu-svr'? mlr3 with kernlab
I am trying to optimize an SVR model within the mlr3 ecosystem with the kernlab package and I am getting the following error:
The parameter 'C' can only be set if ...
1
vote
1
answer
68
views
Make Farm as a random effect in my model I am given Error: number of levels of each grouping factor must be < number of observations (problems: Farm)
I run
ModelOne <- lm(OneMilkProd~ RobotsPen+FreshGroup+RobotFeeds+LiquidFeed, data = FarmAVG)
but was suggested to include farm as a random effect.
There is 1 ...
- 11
0
votes
1
answer
357
views
How to plot a binomial GLM with a three way interaction?
I have the following model:
all.fit <- glm(Presence/Total~Season*ToD*Site,
family = binomial, weights = Total,
data = all.dt)
...
- 131
1
vote
0
answers
75
views
Difficulties reproducing an R-blogger's example of modelling dependency with copulas
This is the R-bloggers article in which a t-distribution copula (?) is fitted to explain the dependency between fluctuations in two stocks tickers. I don't understand what they are trying to achieve, ...
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2
votes
0
answers
307
views
Stata: testing for serial correlation in residuals of fixed effects model (xtqptest on reghdfe)
I want to test for first order serial correlation in the residuals of this Stata regression model:
...
- 203
1
vote
0
answers
55
views
MSGARCH fitting doesn't work for the specific part of the data
I'm trying to do rolling (expanding) window forecast with MSGARCH and the model is failing for very specific $i$. For example I get error for $i=14$ and $i=30$. Data is snp500 returns data between ...
- 21
1
vote
0
answers
1k
views
ARMA GARCH not converging (rugarch)
I am running an ARMA (1,1) Garch (1,1) model on some log return stock data. I am interested in backtesting this model on every day and using a rolling window of size 300. Whenever I attempt to do this ...
- 159
0
votes
1
answer
3k
views
Random Forest Error: Type of Predictors in new Data do not match training set [closed]
I am new learner with random forest and I am trying to run a code for predicting new variables. I did a test with Iris data (https://archive.ics.uci.edu/ml/datasets/Iris) using this code:
...
- 3
1
vote
0
answers
353
views
Error in friedman.test.default(c(3.7005, 1.3212, 2.0572, 1.8833, 0.4539, : not an unreplicated complete block design [closed]
I have a non-parametric data and would like to run Friedman Test.
Here is my code:
res <- data_copy %>% friedman_test( ten ~ res | order)
res
However, I got ...
- 11
2
votes
0
answers
112
views
Adding interaction term with multiple variables in gamm4?
I am using gamm4 model from R package gamm4 (random slope=age_m, random intercept=FLEHS_ID and groupdescription):
m1 I only look ...
- 21
0
votes
1
answer
3k
views
Problem with user-written function: "Error in shapiro.test(a) : is.numeric(x) is not TRUE" [closed]
Dear StackExchange community,
I am trying to write a function to automate some normality-checks. Here is my try (automates Shapiro-Wilk test, histogram and Q-Q plot creation ):
...
0
votes
1
answer
1k
views
dbinom(x, N, phat) in R returns "NaNs produced". How can I solve this?
Hope I find you well, and happy new year!
I have a little problem with R. I just started using it for university and I'm trying to find the binomial distribution law using the CL column of the crabs ...
2
votes
1
answer
988
views
Incidence rate ratio after negative binomial results in R
I am trying to calculate the incidence rate ratio of my negative binomial model. After running my negative binomial regression model, I use exp(Mymodel) in order to ...
- 73
0
votes
1
answer
336
views
Interaction Plot error: The lines do not meet
Hello I wanted to develop an alternative regression equation just to prove that my first regression equation is a better fit.
I want to show the possibility that my independent variables my be ...
2
votes
0
answers
304
views
Warning message after running emmeans in R
I was doing a tukey-adjusted comparison among 3 levels of a factor (“Factor B”) using the emmeans() function in R and got the following warning:
...
- 31
5
votes
2
answers
2k
views
Why is betareg() giving "invalid dependent variable" error?
I am trying to run a beta regression using the betareg package and I am using the following script:
...
- 743
1
vote
0
answers
1k
views
How to generate a ROC curve from ground truth and predictions (in R package pROC)?
I've trained several machine learning models (GLM, SVM, random forest) in R to perform binary classification (predicting the presence of gallstones) and plotted ROC curves/computed AUC using the pROC ...
- 11
1
vote
0
answers
322
views
Error message when using lrm() and validate() from the rms package [closed]
I do not have a fully reproducible example as I am using proprietary data. Therefore, I am providing here an example that only partially reproduces the problem.
I am trying to fit an ordinal logistic ...
- 153
1
vote
0
answers
872
views
System is computationally singular due to small numbers in linearHypothesis
Ok, so here is the code that demonstrate the problem I am referring to:
...
- 193
1
vote
0
answers
175
views
Backtesting GARCH model [closed]
Hi I am wondering wether the tgarch model is better for predicting volatility than regular garch
I built a garch model in R and im trying to predict future 1 day volatility of this equity I am ...
- 11
1
vote
0
answers
61
views
error code in finding confidence interval? [closed]
I optimized parameters from a function using mle2 from bbmle package.
After I got the values, I tried to find profile likelihood ...
- 11
1
vote
1
answer
935
views
statsmodels ARIMA predict function on in sample data points [closed]
I'm trying to use the ARIMA predict function to predict on any test sample--this could include both in sample and out of sample data points, however the frequency will be fixed and equal to the ...
- 31
0
votes
1
answer
351
views
How to generate a VAR(1) model? [closed]
I already written the code but something went wrong and I don't know why...
here is the code.
...
- 23
2
votes
1
answer
4k
views
Error while fitting data in auto.arima - R
I am running auto.arima for forecasting time series data and getting the following error:
...
- 93
1
vote
1
answer
812
views
auto.arima throws error wrong length for 'fixed' [closed]
I am using auto.arima from the R forecast package.
When using this function with lambda parameter, it is throwing error
wrong length for 'fixed'
Here is the code ...
- 43
1
vote
2
answers
1k
views
Error when using vif() on glmmTMB obejct?
I have run a zero-inflated model as follows:
number of birds ~ treatment * date + minutes after sunrise + snow cover + (1|site)
This was the code (in ...
- 81
0
votes
1
answer
2k
views
What post-hoc analysis should I use following a two-way ANCOVA with factor, integer and numeric variables?
I ran a two-way ANCOVA on the data below, in r-studio, to determine whether pupal weights Pupal.wt were affected by caterpillars' diet ...
- 101
1
vote
0
answers
1k
views
Not available with this estimation method (ARMA ML) error message in eviews
I tried a Breusch–Godfrey LM test on an ARMA Maximum Likelihood model in eviews and I got the following error message:
Not available with this estimation method (ARMA ML).
I re-estimated the ...
- 153
0
votes
0
answers
768
views
Mixed effect logistic regression error: Model failed to converge with max|grad| = 0.0230258 (tol = 0.001, component 1)
Update on the study design and data: I am testing whether increased temperatures will affect dung burial by dung beetles. The beetle species that I have used makes balls of dung and buries each dung ...
- 593