Stowaways Supplement S6. Relative Size Index (RSI) Comparative Dataset & R Code for Mediterranean Ship Rats

Relative size index (RSI) comparative dataset and R code used to compare the RSI <em>sensu </em>Lomolino (1985) of the ship rats from the Ma'agan Mikhael B (MMB) shipwreck with other Mediterranean island populations. Worksheet 1: RSI_Dataframe - data frame used in R to produce RSI bar chart. Worksheet 2: RSI Data - Mainland and island samples' mean condylobasal lengths (CBL) and further calculations used to derive the RSI values per island population. Worksheet 3: CBL values for each Provençal and Corso-Sardinian Islet that was combined in the RSI analysis, taken directly from Granjon &amp; Cheylan (1990). Data sources: MMB - Southern Levant (this study) Galite &amp; Zembra Islands - Tunisia (Ibrahim et al., 2017) Congreso Island - Morocco (Ventura &amp; Lopez Fuster, 2000) São Miguel &amp; Terceira Island (Azores) - Portugal (Ramalhinho et al., 1996) Corsica &amp; Provençal Islets - Provence (Granjon &amp; Cheylan, 1990) Sardinia &amp; Corso-Sardinian Islets - Tuscany (Granjon &amp; Cheylan, 1990)