factor_analyzer

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**Describe the bug** The function `corr(x)` doesn't return the correlation matrix. For the dataframe I am using with 40 rows/observations and 73 columns/variables (which unfortunately I cannot publish here) and...

pjuergens

how to get Proportion Explained, RMSR and chi-squared?

1

**Is your feature request related to a problem? Please describe.** Dataset: [ifanmot.csv](https://github.com/EducationalTestingService/factor_analyzer/files/8896221/ifanmot.csv) R code: ``` fan

FlorinAndrei

**Describe the bug** `FactorAnalyzer(method="principal")` triggers a FutureWarning in sklearn's `randomized_svd()`. **To Reproduce** Use this dataset: [ifanmot.csv](https://github.com/EducationalTestingService/factor_analyzer/files/8895990/ifanmot.csv) Code: ``` import pandas as pd from factor_analyzer import FactorAnalyzer ifanmot = pd.read_csv('ifanmot.csv') ifanmot_mat...

FlorinAndrei

`UnboundLocalError` with principal-lapack method types and any oblique rotations

1

**Describe the bug** It appears to be an issue due to a variable `new_order` defined within a condition that excludes the `principal` method for EFA, but then calls upon the...

vargava

Add CFI and RMSEA goodness-of-fit metrics

4

My (quite inexpert) understanding is that CFI and RMSEA are the goodness-of-fit measures par excellence when it comes to CFA. It seems that Chi-squared is also useful. Would it be...

jimmybru

Add calculate_cng_indices

1

I implemented this function while working on a paper and decided it belongs in this excellent project. I will add tests (I have been comparing to output from R), but...

sjawhar

**Describe the bug** Thanks for creating the tool. Firstly, I'm still learning the relevant maths so I could be wrong. I guess my question regarding the normalization of promax rotation...

Xunius

Equamax rotation giving similar results to quartimax instead

3

**Describe the bug** Using equamax rotation gives the same results as quartimax to around 12 decimal points. Quartimax results match with SPSS but not the equamax ones. **To Reproduce** ```...

nachomaiz

Loadings Different (negative) vs SPSS/R Psych Lib results

4

Based on a correlation matrix, the calculated results with factor_analyzer are different than when running in SPSS, as in they seem to be multiplied by (-1). Communalities are more or...

Db-pckr

aic and bic output nan

3

Hi, I conducted a cfa analysis, but the aic_ and bic_ outputs are both "nan". I wonder if there could be any example in calling aic and bic? And what...

LilianYou