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. 2023 Sep 14;10:624. doi: 10.1038/s41597-023-02489-1

Table 2.

A list of the “pseudoPAGES2k” pseudoproxy datasets.

Dataset ID Signal Noise SNR Sampling
ppwn_SNRinf_rta PSM generated none inf realistic
ppwn_SNR10_rta PSM generated white noise 10 realistic
ppwn_SNR2_rta PSM generated white noise 2 realistic
ppwn_SNR1_rta PSM generated white noise 1 realistic
ppwn_SNR0.5_rta PSM generated white noise 0.5 realistic
ppwn_SNR0.25_rta PSM generated white noise 0.25 realistic
ppwn_SNRinf_fta PSM generated none inf full
ppwn_SNR10_fta PSM generated white noise 10 full
ppwn_SNR2_fta PSM generated white noise 2 full
ppwn_SNR1_fta PSM generated white noise 1 full
ppwn_SNR0.5_fta PSM generated white noise 0.5 full
ppwn_SNR0.25_fta PSM generated white noise 0.25 full
tpwn_SNR10_rta nearest temperature white noise 10 realistic
tpwn_SNR2_rta nearest temperature white noise 2 realistic
tpwn_SNR1_rta nearest temperature white noise 1 realistic
tpwn_SNR0.5_rta nearest temperature white noise 0.5 realistic
tpwn_SNR0.25_rta nearest temperature white noise 0.25 realistic
tpwn_SNR10_fta nearest temperature white noise 10 full
tpwn_SNR2_fta nearest temperature white noise 2 full
tpwn_SNR1_fta nearest temperature white noise 1 full
tpwn_SNR0.5_fta nearest temperature white noise 0.5 full
tpwn_SNR0.25_fta nearest temperature white noise 0.25 full

“SNR” refers to signal-to-noise ratio defined in standard deviation24,26,89. The full sampling refers to 850–2005 CE with annual resolution, and the realistic sampling refers to the realistic temporal availability of each record.