Please can someone help with identifying what is wrong with this :
Error: unexpected symbol in "Model_Mi_Ero_Rt <- lm(formula = Mi_Ero_Rt ~ Di_Cliff+Di_Seaward+Si_Eleva+Inun_Fre+Mean slope"
Model_Mi_Ero_Rt <- lm(Mi_Ero_Rt ~ Di_Cliff+Di_Seaward+Si_Eleva+Inun_Fre+Mean slope+Mean_Rough+Rock_type+Aspect, data=data1_Mi_Ero_Rt)