| add_element_data | Add ionic radius and chondrite and mantle values, Z and Mass |
| add_ID | Add_ID |
| add_IonicRadii | Add Chondrite or Mantle values for normalization. |
| add_NormValues | Add Chondrite or Mantle values for normalization. |
| Ballard_et_al_Zircon | Zircon Rare earth Element Data from Ballard et al. 2001 and 2002. |
| calc_all | Calculate and Impute REE missing data and anomalies. |
| CleanColnames | Clean variable names that have prefixes or suffixes |
| correct_heavy | Corrects for the model deviations of Er, Yb, Lu and Y |
| correct_middle | Corrects for the model deviations of Yb, Lu and Y |
| Element_Data | Element data for calculations |
| element_denorm | Denormalize chrodrite Normalize to ppm |
| Element_norm | Calculate normalized values for a list of elements |
| impute_REE | Impute Rare earth elements |
| modelChondrite_lattice | Model REE contents using the Chondrite-Lattice method of Carrasco-Godoy and Campbell (2023) |
| modelChondrite_Onuma | Model REE contents using the Chondrite-Onuma method of Carrasco-Godoy and Campbell (2023) |
| modelZhong | Model REE contents using the method of Zhong et al. (2019) |
| model_REE | Model REE + Y contents using different methods. |
| REE_Elements | Rare earth element list |
| REE_plus_Y_Elements | Rare earth element list |