| arrange.ir | Arrange rows in 'ir' objects by column values |
| bind | Bind rows of 'ir' objects |
| distinct.ir | Subset distinct/unique rows in 'ir' objects |
| extract.ir | Extract a character column in an 'ir' object into multiple... |
| filter.ir | Subset rows in 'ir' objects using column values |
| filter-joins | Filtering joins for an 'ir' object |
| group_by | Group rows in 'ir' objects by one or more variables |
| ir_add | Add infrared spectra |
| ir_as_ir | Converts an object to class 'ir' |
| ir_average | Averages infrared spectra within groups |
| ir_bc | Performs baseline correction on infrared spectra |
| ir_bc_polynomial | Performs baseline correction on infrared spectra using a... |
| ir_bc_rubberband | Performs baseline correction on infrared spectra using a... |
| ir_bc_sg | Performs baseline correction on infrared spectra using a... |
| ir_bin | Bins infrared spectra |
| ir_clip | Clips infrared spectra to new wavenumber ranges |
| ir_correct_atmosphere | Corrects artifacts in a spectrum based on reference spectra... |
| ir_divide | Divide infrared spectra or divide infrared spectra by a... |
| ir_drop_spectra | Drops the column 'spectra' from an object is of class 'ir' |
| ir_export_prepare | Prepares 'ir' objects for export to 'csv' |
| ir_flat_clean | Cleans objects of class 'ir_flat' |
| ir_flatten | Converts objects of class 'ir' to objects of class 'ir_flat' |
| ir_get_intensity | Extracts intensities from spectra in an 'ir' object for... |
| ir_get_spectrum | Extracts selected spectra from an object of class 'ir' |
| ir_get_wavenumberindex | Gets the index of a defined wavenumber value for a spectrum |
| ir_identify_empty_spectra | Identifies empty spectra in an 'ir' object |
| ir_import_csv | Imports infrared spectra from various files |
| ir_import_spc | Imports infrared spectra from Thermo Galactic's files |
| ir_interpolate | Interpolates intensity values of infrared spectra in an 'ir'... |
| ir_interpolate_region | Interpolates selected regions in infrared spectra in an 'ir'... |
| ir_multiply | Multiply infrared spectra or multiply infrared spectra with a... |
| ir_new_ir | Creates an object of class 'ir' |
| ir_new_ir_flat | Creates an object of class 'ir_flat' |
| ir_normalize | Normalizes infrared spectra in an 'ir' object |
| ir-package | ir: Functions to Handle and Preprocess Infrared Spectra |
| ir_remove_missing | Removes empty data values in an object of class 'ir' |
| ir_sample_data | Sample object of class 'ir' |
| ir_sample_prospectr | Wrapper to sampling functions from the 'prospectr' package |
| ir_scale | Scales spectra in an 'ir' object |
| ir_smooth | Smooths infrared spectra in an 'ir' object |
| ir_stack | Stacks a matrix or data frame with spectra into a list column |
| ir_subtract | Subtract infrared spectra |
| ir_to_transmittance | Converts absorbance spectra to transmittance spectra or vice... |
| ir_variance_region | Computes the variance of a spectrum in an 'ir' object in a... |
| mutate | Mutate an 'ir' object by adding new or replacing existing... |
| mutate-joins | Mutating joins for an 'ir' object |
| nest | Nest and un-nest an 'ir' object |
| Ops.ir | Arithmetic operations for 'ir' objects |
| pipe | Pipe operator |
| pivot_longer.ir | Pivot an 'ir' object from wide to long |
| pivot_wider.ir | Pivot an 'ir' object from wide to long |
| plot.ir | Plots an object of class 'ir' |
| range | Get the minima/maxima/range/median of x axis values or... |
| rename | Rename columns in 'ir' objects |
| rep.ir | Replicate ir objects |
| rowwise.ir | Group input 'ir' objects by rows |
| select.ir | Subset columns in 'ir' objects using column names and types |
| separate.ir | Separate a character column in an 'ir' object into multiple... |
| separate_rows.ir | Separate a collapsed column in an 'ir' object into multiple... |
| slice | Subset rows in 'ir' objects using their positions |
| subsetting | Subsetting 'ir' objects |
| summarize | Summarize each group in a 'ir' object to fewer rows |
| unite.ir | Unite multiple columns in an 'ir' object into one by pasting... |
