Extended Data Fig. 6: Holocene Mean Changepoints.
From: Sensitivity of Holocene East Antarctic productivity to subdecadal variability set by sea ice
Calculation of shifts in the mean of various Holocene records using statistical changepoint analysis. This method identifies the point at which the mean of a timeseries changes most significantly by finding the point at which the total residual error from the mean of each section is minimized (ref. 80,81). Shifts in Adélie Land proxies (a-d) occur between ~4.3 and ~4.7 ka.
