Error in approx(nintv, cvals[nintl:ninth, tintl, i], n = max(nintv) - : need at least two non-NA values to interpolate Decoding the need at least two non NA values to interpolate Error in R Have you encountered the error message Error in approx nintv cvals nintl ninth tintl i n 2 min read 06-10-2024 5
Visualization marginal effect of plm with 'marginaleffects' package Visualizing Marginal Effects of Pooled Linear Models PLM with the marginaleffects Package When working with pooled linear models PLM in R understanding the marg 2 min read 21-09-2024 14
Error in purtest(diff_variable, data = non_na_pdata_clean, test = "madwu", : the individual dimension is undefined Individual Dimension Undefined Error in purtest Function A Guide to Troubleshooting This article addresses a common error encountered when using the purtest fun 3 min read 13-09-2024 20
How to include a spatial lag of an explanatory variable in a panel spatial model? Incorporating Spatial Lags of Polynomial Variables in Panel Spatial Models A Comprehensive Guide Spatial econometrics models are powerful tools for analyzing da 3 min read 05-09-2024 20
SPML (spatial panel models): Error in lag.listw | unbalanced panels Demystifying Spatial Panel Models SPML with Unbalanced Panels A Practical Guide This article explores a common challenge faced by researchers working with spati 2 min read 05-09-2024 21
Why does my fe with demeaned data ( lm() ) not reproduce coefficients from plm(), lfe() and lsdv? Why Your Fixed Effects Regressions with Demeaned Data Dont Match Other Methods This article explores the common issue of discrepancies in coefficients when usin 2 min read 04-09-2024 11
PLM package: Difference between PMG and PCCE function Deciphering the PMG and PCCE functions in the plm Package A Guide for Panel Data Analysis The plm package in R is a powerful tool for analyzing panel data Two f 2 min read 02-09-2024 15