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Questions tagged [fitdistrplus]

R package: Help to Fit of a Parametric Distribution to Non-Censored or Censored Data

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How to fit a generalized distribution of extreme values ​in r's fitdistrpuls package?

I would like help with the following. I want to fit my data to a generalized distribution of extreme values ​​(GEV) and although I have seen that there are packages for this, I would like to use the fitdistplus package because it has several…
eduardops71
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Fit a statistical distribution to truncated data

I have a "truncated dataset" and I would need to infer the distribution that most likely fits the data. Even though I have a "truncated dataset", instead of a "full dataset", I think that the best fitting distribution would be that one that could…
limone
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Custom survival function in flexsurv

I would like to implement a custom survival function in the flexsurv package, similar to Section 4 (pg. 12) here: https://cran.r-project.org/web/packages/flexsurv/vignettes/flexsurv.pdf Say I have a dataframe, df, where the status determines if an…
coolhand
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Dataframe grouping and distribution test/choose

I have a Dataframe with 16 variables (x1, x2,...x16). The variables from 1 to 15 are parameters chosed to perform an experiment. The 16th variable is the measured paramater which describe the result of the experiment. The experiment is repeated a…
M B
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How to use fitdist correctly?

I want to fitting about Generalized normal distribution. However, the R code for performing this was input, and the following error occurred. I really need your help to solve this. Help me. library(fitdistrplus) data(mtcars) head(mtcars) fit <-…
Data Science study
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Positive and negative Loglikelihood values for gamma distribution using fitdistrplus in R

I have a dataset and the dataset normalized to the maximum value (values between [0,1] and I try to fit gamma distribution. I am using fitdistrplus and I am estimating the parameters of the distribution while I get the loglikelihood values and AIC…
MariaK
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How to transform data after fitting a distribution with gamlss?

I have a data set where observations come from highly distinct groups. Each group may have a wildly different distribution, so I am trying to find the best distribution using fitdist from fitdistrplus, then use gamlssML from the gamlss package to…
Jage
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In R, how do I plot a Weibull probability density function for right censored data using package fitdistrplus?

I am trying to overlay a Weibull probabiliy density function (PDF) for right censored data on a histogram of the data using package fitdistrplus but have been unable to do so. df is a data.frame containing a dummy data set in the format of my larger…
overcup
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Error code 100 using fitdist in the fitdistrplus package for pois and nbinom

I am trying to fit a distribution to my data (ssdist; ssi is the values), however I keep getting thrown the error code below, and I have no idea why. Notably, the error is only thrown for pois and nbinom which are the distributions that I think…
Cole Baril
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Shape estimation in truncated Pareto in R

library(VGAM) library(fitdistrplus) fitdist(u_NI$k_u, 'truncpareto', start = list(lower=1, upper=42016, shape=1)) -> fit.k_u length(u_NI$k_u) = 637594 I got this error:
GiulioGCantone
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Problem fitting of Log Pearson Type III in R using method of moments estimators

I am new in R and I am having difficulty in figuring out how to fit Log Pearson Type III using method = mme to the data. YearThai <- c(2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018) FlowThai <-…
JOHN WILLIAM VEDEJA
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How can I use the results from fitdist to create a probability distribution in R?

I used fitdist from the fitdistrplus package to fit a (gamma) distribution to my data: fitg <- fitdist(mdt, "gamma") The result is a list of parameters that describe the fit. I wonder if there is a way to use the result to create cumulative…
Jerome
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mle failed to estimate the parameters with error code 100 for pareto

I am trying to fit a pareto distribution to the following data x <- c(5857.33154195937, 2352.13410311605, 5868.4139887638, 5084.43835650941, 5544.58859069637, 3469.38719024777, 5935.54817351679, 849.551931991455, 4804.65544410752,…
89_Simple
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Error message when plotting truncated normal distribution with fitditrplus

I am trying to plot different distributions to see which best fits my data ("x"). I am using package fitdistrplus to do this. All the distributions work apart from "tnorm" (truncated normal distribution), which comes up with an error…
EmmaH
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MLE of a distribution in R: fitdistrplus (SGT distribution), how do I do it?

For return data I am doing research about the importance of skewness and kurtosis for the cVaR calculation. We are comparing some distributions first, by estimating the parameters of the distribution using fitdist() in R using package…
Enjo Faes
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