| assess_multimodels | Assess multiple pairs of measured and predicted values |
| average_spc | Average spectra in list-column by entries in grouping column |
| bind_lcols_dts | Bind list-columns within a tibble into a list of data.tables |
| create_vip_rects | Create a data frame containing start and end positions... |
| evaluate_model | Calculate model evaluation metrics |
| extract_lcols2dts | Extract multiple tibble list-columns and return data as list... |
| extract_pls_vip | Extract VIPs (variable importance in the projection) for a... |
| fit_pls | Calibration sampling, model tuning, and PLS regression |
| fit_rf | Calibration sampling, and random forest model tuning and... |
| gather_spc | Gather measurements of different spectra types, corresponding... |
| join_chem_spec | Join chemical and spectral data frames |
| join_spc_chem | Join spectra data and chemical data tibbles |
| merge_dts | Merge list-columns of spectra, x-axis values, metadata and... |
| merge_dts_l | Wrapper function around 'merge_dts()' for list of tibbles to... |
| pipe | Pipe operator |
| plot_pls_vip | Plot stacked ggplot2 graphs with the Variable Importance for... |
| plot_spc | Plot tibble spectra |
| plot_spc_ext | ggplot2 wrapper for extended spectra plotting |
| predict_from_spc | Predict soil properties of new spectra based on a list of... |
| preprocess_spc | Preprocess spectra |
| read_asd | Read ASD fieldspec spectrometer data export into into... |
| read_asd_bin | Read ASD binary files and gather spectra and metadata in... |
| read_opus_bin_univ | Read a Bruker OPUS spectrum binary file |
| read_opus_univ | Read a list of Bruker OPUS spectrum binary files. |
| remove_outliers | Remove outlier spectra |
| resample_spc | Resample spectra in list-column to new x-axis interval |
| select_ref_spc | Select a set of reference spectra to be measured by reference... |
| select_spc_vars | Select every n-th spectral variable for all spectra and... |
| slice_xvalues | Slice spectra into defined x-axis ranges |
| soilspec_yamsys | Soil spectra and laboratory reference data from Baumann et... |
| split_df2l | Split a tibble data frame into a list of tibbles by a group... |
