Replication Data and Code: Platform Governance Transition and Indigenous Discourse Visibility

This repository contains the replication materials for the study “Platform Governance Transition and Indigenous Discourse Visibility: A Triangulated Text-as-Data Analysis of Twitter/X.” The dataset includes preprocessed textual corpora, document-feature matrices (DFMs), STM topic model outputs, sentiment classification training sets, network co-occurrence graphs, and R code scripts used to generate all main findings, figures, and diagnostics reported in the paper. Data were collected via Junkipedia.org using a stratified sampling approach centered on Indigenous political hashtags from 2020 to 2024. All personally identifying metadata have been removed.