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Questions tagged [jamovi]

Statistical analysis software. Use this tag with questions about configuring and using jamovi.

Jamovi is an open-source statistics program that is built with the R language. The program was developed by Jonathon Love, Damian Dropmann, and Ravi Selker. More information about Jamovi can be found at https://www.jamovi.org/.

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Running syntax copied from Jamovi output in R console error

Am new to Jamovi and exploring it. A cool feature is to be able to set Jamovi out put to syntax mode and copy paste that syntax from Jamovi to run in an R console. After successfully drawing a bar plot in Jamovi, when I copy paste the syntax to run…
LGF
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Is there an ifelse() function in Jamovi

Am new to Jamovi and wonderfully lost! Wondering if I can use the following ifelse() function in computing an new variable: NEWVariable = ifelse(p20freekit_1 == 1,1,ifelse(p20freekit_2 == 1,2,ifelse(p20freekit_3 == 1,3,ifelse(p20freekit_4 ==…
LGF
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Am trying to connect to Jamovi from R Studio and I get the error: Error: No such file or directory. All paths correctly specified

Am trying to connect to Jamovi from R Studio and facing the following problem. Am unable to read from Jamovi. Have loaded: library(jmvcore) library(jmv) library(jmvconnect) library(jmvReadWrite) jmvconnect::what() gives me the file index and…
LGF
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Python implmentation of Marginal Maximum Likelihood estimate based 2-PL Dichotomous IRT

I am looking for implementations of simple Marginal Maximum Likelihood Estimate based 2-PL IRT Item estimation in Python. Any relevant Python libraries that do this (similar to snowIRT module in Jamovi)? I have looked into py-irt and it seems to do…
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Implementing 2-PL IRT Module in Python from scratch

I am trying to implement a 2-PL dichotomous IRT Model for my dataset from scratch in Python. Here is my code so far: def get_data_matrix(num_students, num_items): data = np.random.randint(0, 2, size=(num_students, num_items)) return…
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Multinomial data analysis

I am conducting an experiment and I am struggling to find the right solution to analyze my data. The summary is as follows: I have a multinomial response variable (5 answers from a questionnaire). I have a 2-level hierarchy for my dependent…
Johrine Cronje
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Is there a way to derive GVIF in Jamovi?

Apparently the car package vif function and performance package check_collinearity function both calculate generalized variance inflation factor (GVIF) automatically if a categorical variable is entered into a regression. As an example, this can be…
Shawn Hemelstrand
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Jamovi failed to show a plot

Some laptop with a Hebrew user name failed to show plots in Descriptive in Jamovi 2.3.18 I opened Jamovi in debug mode and saw the following messages: jamovi.server.server - listening across origin(s): 127.0.0.1:64652 127.0.0.1:64653…
sivan m
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Export descriptives from Jamovi to R

I am using Jamovi to work on some variables of a data set from a excel file. jmv::descriptives( formula = country ~ `voted`, data = bd, bar = TRUE, missing = FALSE, mean = FALSE, median = FALSE, sd = FALSE, min = FALSE, max =…
Sandra Silva
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