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Updates, additions and fixes

Current stable version: v0.27 (main downloads page)

v0.27 (27-Sep-2022)

In addition to multiple smaller fixes and modifications, this release contains a number of major new additions including: 1) revised macro-architecture summary statistics, 2) the SOAP and POPS tools for automated prediction/evaluation/manipulation of sleep stages, 3) new tools for assessing temporal coupling of annotation events, and 4) new signal processing tools including IRASA. Major changes are noted below:


  • revised and expanded hypnogram summary metrics, and improved documentation for the HYPNO command including: bout number/duration metrics, better incorporation of lights out markers, a heuristic to handle excessive leading/trailing WASO, revised calculation of total persistent sleep time (now TST_PER), renamed sleep efficiency/latency (SE, SME and SOL), added final wake time (FWT).

  • added a new annot-cycles option for HYPNO, to add an annotation indicating which NREM cycle an epoch belongs to

  • fixed an issue when HYPNO is called twice on the same EDF

  • added first (mins) and first-anchor (T0, T1 or T2) options, to report hypnogram stats for only the first N minutes (setting the rest to L)

  • fixed a bug impacting some of the elapsed time metrics from HYPNO (E_* etc) if the recording started at or after midnight

  • added and documented the new SOAP, REBASE and PLACE stage evaluation/manipulation commands

  • added a new automated staging command: POPS - POPulation-based Staging that implements a flexible syntax for model specification. Internally, POPS uses Microsoft's popular open-source C/C++ LightGBM library for machine learning

  • Internal: have depreciated the older (but still experimental) SUDS stager; previously, we had added some new features, including a canonical correlation based routine.

Data manipulation/handling

  • major new implementation and syntax for the CANONICAL command

  • new SET-HEADERS command to directly edit EDF header values

  • new ENFORCE-SR command

  • new fix-edf option, to allow (i.e. ignore) truncated final records of a trivially corrupted EDF

  • new --merge command to aggregate multiple EDFs

  • the --repath utility now accepts . as first character, meaning always append the second argument if (and only if) the sample list has a relative path

  • new SET-VAR command to set individual-level variables from within a script

  • new RENAME command to rename channels (unlike signal aliases, this command can accept variables)

  • HEADERS now outputs STOP_TIME

  • added pairwise option to REFERENCE

  • new RECTIFY command

  • new REVERSE command

Micro-architecture/signal processing

  • new IRASA command, to implement Irregular-Resampling Auto-Spectral Analysis

  • new prototype/alpha implementation of detrended fluctuation analysis via the DFA command

  • added Petrosian fractal dimension and permutation entropy (pe, with pe-m and pe-t options) to SIGSTATS

  • new prototype ASYMM command to evaluate (stage-specific) (regional) asymmetries (e.g. inter-hemispheric differences) in derived signal metrics

  • new Z-PEAKS command to make annotations based on peak finding in signals

  • added segment-median and segment-sd to PSD

  • added precomputed function to SPINDLES

  • added ch-median ch-epoch ch-spatial-threshold ch-spatial-weight to CORREL, which now also prints out disjoint sets of "high corr" channels (CHS)

  • added OTSU and --otsu commands; changed Otsu implementation

  • added the --ftt command

  • added the same-channel option for TLOCK to constrain output for when CH == sCH


  • new OVERLAP command to evaluate enrichment of overlap/locality of annotations, in both single- and multi-sample contexts; it can also produce new annotations based on overlap with other annotations

  • added the collapse argument for WRITE-ANNOTS which can be used with an EDF+D if an EDF will be output (i.e. changes the times as if collapsing discontinuities)

  • currently largely for internal development use, a new A2C command to convert sample points (ints) in annotation meta-data to a cache store

  • EPOCH align now works for EDF+D - will align the first epoch at the start of each segment, i.e. still assuming uniform epochs after that (within each segment)

  • skip-edf-annots now still reads time-track for EDF+D from EDF Annotations channels

  • added the numeric-inst argument to A2S, to set a signal to a numeric-valued instance ID (i.e. not just 0/1)

  • when creating a set of epoch-level sleep stages, Luna will automatically detect if the stage annotation are 0-duration change-points (as is often the case in EDF+ stage annotations) and will extend those new signals up until the next stage annotaiton encountered (or the end of the recording)

  • alternatively, unless assume-stage-duration=F, if sleep stages have 0 duration (e.g. markers for change) assume they have the default epoch duration length (currently only for EDF+ embedded annotations)

  • added the add-ellipsis option (for zero-duration annotations) -- this impacts WRITE-ANNOTS .annot format files only

  • for EDF+ annotations, added edf-annot-class special variable, to make these annots classes (instead of edf_annot_t instanes) e.g. edf-annot-class=N1,N2,N3,R,W

Microstate analysis

  • the EEG microstates command MS has a new w argument for --kmer analysis, which performs local shuffling of microstate sequences (i.e. only within N states)

  • the microstate --kmer command will now automatically splice out ? states, and reduce adjacent states to one e.g. AAA??AABBBCCC -> ABC

  • a new --label-maps command assign labels for a microstate map sol file, given a labelled canonical/template sol file (template, file, new)

  • new --cmp-maps command to test for differences between maps, either at the group or individual (one versus all others) level, using a permutation procedure

  • new --correl-maps to print spatial correlations for a map (from a text file)


  • added --options command to allow command-line functions to take args either from stdin OR from command line args (following --options)

  • changed parameter parsing to include added signals when no sig specified (i.e. match all) in the case when sig was specified as an initial, top-level special variable

  • param files have +group and -group flags. // +group include only if matches group, otherwise skip // -group exclude if matches group, otherwise parse

  • IF and IFNOT (or ENDIF / FI )

  • fixed bug in within-record interval offset calculation for EDF+D when gaps present that are fractions of a record duration (i.e. and so record start time-points are no longer multiples of the EDF record size)

v0.26 (29-Nov-2021)

New functionality

  • TRANS supports arbitrary transformations of signal data

  • SIMUL simulates time-series data given a power spectrum

  • PSD now has peaks and slope options

  • FFT performs basic discrete Fourier transform (DFT) via the FFT

  • HEAD shows one epoch of data (requires same SR for selected channels)

  • ZC mean-centers signals, and ROBUST-NORM performs robust normalization (by median & IQR)

  • upated the EMD (empirical mode decomposition) command

  • --repath convenience sample-list function

  • prototype ALTER command to perform reference-channel, regression-based artifact removal

  • peaks and slope options for PSD and MTM

  • REBASE, which adopts the SOAP framework to (probabilistically) re-estimate sleep stages using a different epoch duration (e.g. to translate from 20-second manually scored datasets to 30-second epochs) given a) manual staging in the original epoch duration, and b) one or more signals (i.e. EEG) that are expected to encode sleep stage information well (i.e. have a high kappa from the original SOAP command).

Annotation format modifications/extensions

  • .annot format now allows key=value meta-data to be specified; also, you can have fewer meta-data terms than expected (but not more), assuming order is as header; all fields still are required to be in the header; now WRITE-ANNOTS always writes meta-data as key=value pairs

  • new + and - options to turn on/off @includes (e.g. alias, remap); note, the variable must be specified before the relevant @include on the command line, i.e. as command-line arguments are processed in left-to-right order

  • added a check for pipe (|) characters in annotation primary names (in a remap)

  • annotation times can now include AM/PM modifiers (otherwise assumes 24-hour clock)

  • new annot-whitelist option, such that annotations are only accepted if they appear in the remap list (either as aliases or primaries);

  • new annot-unmapped option to skip if the annotation is on the whitelist (i.e. complement of behavior with annot-whitelist alone)

  • if remapping an annotation to ABD/DEF|XYZ form (i.e. with a / delimiter) then for the class XYZ, it is set to ABC and instance ID is set to DEF. If there was an existing instance value (non-null), a text meta-tag of _inst= is added. The delimiter character can be changed from / with class-inst-delimiter=X (although this only works for annot files currently, and is not generally recommended, i.e. as sanitization of labels respects / for annotations, etc)

  • added combine-annots option to merge class and instance identifiers. It accepts a character argument but is _ by default ); this sets the annotation class to class_inst (and sets inst to '.' )

  • added the skip-sl-annots option to skip all SL-attached annotations; i.e. if wanting to only load annotations from an alternate, explicitly referenced annot file

  • added the interval option to the EVAL command, to generate new interval-level annotations based on eval expressions

EEG microstates

  • MS has new add-spc-sig option to add spatial correlations as new EDF channels (instead of 0/1 binary variable, as per add-sig)

  • MS has new canonical option to specify a file definining canonical microstates

  • MS solutions now always have a header row; you cannot extract based on sol=file,A,B,C,D; also, 'unassigned' states are labeled 1,2,3, etc not A,B,C,...

  • new --cmp-maps command to compare (spatial correlation) EEG microstates

  • --kmer command takes options req-len (only analyse first N sequences) and indiv-enrichment

Other fixes, minor modifications and new features

  • added ability to specify an empty EDF (--nr, --rs and filename equals '.' )

  • added 1st, 2nd, 5th and 10th percentiles to STATS

  • added transition frequency to slow oscillation output (SPINDLES, SO)

  • fixed bug in flanked mask option (e.g. flanked=W,1)

  • made CANONICAL definition file format more flexible: 1) it now allows whitespace, not just tab-delimitation; 2) only the first three fields are required now; if not given, the latter fields/columns will be set to .; 3) CANONICAL now respects the order of canonical signals (i.e. rather than processing things alphabetical); this allows multi-stage definitions, e.g. to first map S1, then S2, and then apply a rule such as S3 = S1 - S2.

  • eval syntax takes { and } instead of ' to delimit strings; it allows nesting, but can also be handy on the command line (i.e. if already using -s '' form)

  • added drop and keep options to the PSC command

  • added import=file.txt command to CACHE to read from destrat output; can take factors and v param (as well as required cache=)

  • added MASK epoch=all to set a MASK but have it all empty ; i.e. to trim records not in an epoch

  • (for .annot only) added align option : given list of annots (or *) for all, align-annots-on=N1,N2, etc... if not specified, find first instance of this annot, then align with 1 second boundary (or align-annots-res=X if given) align /all/ annots with this offset (bound at 0); i.e all records beforehand will be skipped if subsequent MASK/WRITE commands are applied

  • added pick option to SIGNALS to pick first of pick=a,b,c that is present, and drop the rest; can map with 'rename' to rename the pick

  • allow sample-lists to have a comma-delim list of annotations, or '.' to denote no data; in this way, we can have a fixed width sample list (i.e. three tab-delimited columns), making it easier to parse (case in point: lunaR lsl() was broken if fewer than 3 columns were found after first five rows, reflecting how R read.table() works)

  • CANONICAL does not now need an explicit GROUP to be specified; the file must still have a first col, it is just ignored now; also, new 'drop-originals' option to drop all original (non-CANONICAL) signals after making the new signals; matches case-insentive

  • changed epoch-check to accept number of .eannot epochs that are different from expected; default is 5; only stops is absolute greater than this; otherwise writes warning to log; i.e. set to 0 for an exact match

  • CONTAINS can now skip to the next EDF (rather than alter the return code), if the option skip is given

  • check for whether an ID contains the ID-wildcard character (by default, ^) and reports an error if it does; added the wildcard option to specify an alternate character

v0.25.5 (24-May-2021)

Major new functionality

  • Major changes to the epoch-wise artifact detection via SIGSTATS, which is now implemented via the CHEP-MASK and CHEP commands, as illustrated in this vignette

  • Significant speed improvements for spectral analyses (PSD and especially MTM) and other (e.g. PSC, SUDS, ICA, CPT) commands through code refactoring, tweaking our use of FFTW and the incorporation of the Eigen matrix library

  • A beta-version of our new Luna-powered NAP (NSRR Automated Pipeline) cloud-based portal, described here, and available for testing from this URL populated with public Sleep-EDF dataset.

  • Principal spectral components analysis via the PSC command

  • Phase slope index connectivity via the PSI command

  • Epoch-wise spherical spline interpolation via the INTERPOLATE command

  • Independent components analysis via the ICA and ADJUST commands

  • EEG microstate analysis via the MS command

  • Time-series clustering of epochs and/or channels via the EXE command

  • Cluster-based non-parametric linear models for association analysis via the CPT command

Other new commands/functionality

  • added DUPES command to find flat signals and digital duplicates

  • Added cache-metrics options for PSD, MTM, COH, PSI, SPINDLES and SO (i.e. primarily for use with the PSC command)

  • SO caches negative peaks (with the cache option)

  • New MEANS command to give signal means conditional on annotations

  • New special variables describing topographical EEG 64-channel groups, e.g. ${anterior}, ${midline}, etc,

  • Find peaks in signals and subsequently produced peak-locked averages across other channels, via the PEAKS command and the TLOCK command

  • Cross-correlation and phase synchrony metrics, via the new TSYNC command

  • New A2S and S2A commands to convert anntotations to binary EDF signals channels, and vice versa

  • Restructure EDFs to align records, annotations and epochs via the ALIGN command

  • Added the EDF command to convert EDF+C and EDF+D to standard EDF

  • Added the LINE-DENOISE command, using spectrum interpolation to reduce line noise

  • Added the SEDF command to produce thumbnail-like summary EDFs (to be used in future NAP iterations)

  • Added a simple SIGGEN command to generate test signals (currently only sine waves)

  • Added the CONTAINS command that indicates (via Luna's exit code) whether one or more signals are present in the EDF (i.e. helps guide programmatic driving of Luna pipelines, to be used in future NAP iterations)

  • new output/options for the HYPNO command: 1) stage transition counts and probabilities, with PRE and POST factors; also with conditional probabilities P_PRE_COND_POST and P_POST_COND_PRE; 2) it now outputs epoch-level stage transition information in full and with different naming scheme: TR_NR2REM, etc and TOT_NR2REM. 3) FLANKING_MIN and FLANKING_ALL instead of FLANKING_SIM; 4) option flanking-collapse-nrem (default T), i.e. flank based on any NREM stage (1, 2 or 3) 4) option req-pre-post, to only consider stage transitions that have FLANKING_ALL >= x for the POST stage; defaults to 4 (2 mins). Added 'CONF' and OTHR outputs.

Minor modifications/fixes

  • the epoch argument of MASK accepts end as the final epoch number
  • added the force-edf and EDF+D options to WRITE to force writing as EDF (or EDF+D); this command also now properly supports EDF+C, EDF+D files properly (e.g. in how the EDF start time is changed, etc)

  • one can now add generic canonical signals via CANONICAL; it will not change the SR if set to missing (.); the canonical signal definition now includes units

  • channel types now include specific reference and independent component types; further, channel type variables are now automatically updated after adding new channels (e.g. added IC to types; when channels added, now they are typed (i.e. the variable is updated by any commands that add channels, ICA --> ${ic} will be available afterwards to match on IC_1, IC_2, etc).

  • we now allow .eannot to be attached with EDF+C but not EDF+D files

  • SPINDLES now has an annot function to generate an internal annotation track (which should be used by WRITE-ANNOTS but can also be used by, e.g. TLOCK, etc. The old ftr format is now retired.

  • all commands that use epoch-level sleep stages (SOAP, HYPNO, STAGE, etc) will note if an epoch has multiple spanning stage annotations (i.e. which might happen if stages and epochs are not temporally well-aligned); it now reports tje CONF variable describing the overlap

  • fixed an issue in selecting ranges when annotations do not align with sample points (fixed for continuous EDFs; need to check whether EDF+D requires additional tweaks)

  • added the epoch option to HYPNO, which now give less verbose output by default

  • added offset and align to EPOCH

  • added annot output for the SOAPcommand

  • added a regional MASK which masks epochs surrounded by masked epochs

  • added annot, hms and no-specials options to WRITE-ANNOTS

  • now the HEADERS command respects the sig option; also, some changes to variable output names

  • fixed the mkdir system call during WRITE for the Windows platform

  • the ANON command now conforms with EDF+ specifications for the null ID

  • added the root option to the ANON command, to specify "dummy" IDs, in the form root_N where N is 1, 2, 3, etc. As the N count is always from 1 for a given run of luna, this can be inconvenient if splitting a sample-list and running in parallel: thus the ids option as above is also given.

  • added the ids command-line option to supply an ID mapper [ old -> new , tab-delim file ]; this can be used with the ANON to set the EDF header IDs

  • --build has an option to add quotes around file paths if they contain spaces

  • the CLOCS command now has an option verbose, to dump pairwise channel distances

  • multiple changes to the .annot file format: allow durations (+seconds); allow hh:mm:ss elapsed time (0+hh:mm:ss offsets); allow fractional seconds in hh:mm:ss specfication; added channel labels and six-column format (but allowing reduced 3-col and 4-col formats for backwards compatibility); headers now optional; allow space/tab or tab-only delimiters; fixed an off-by-one-time-point glitch with clocktime specification; now fully allow 0-duration annotations [a,a); allow ... in the stop field to read until the start of the next; in all imports, times are scalled to 1/1000th second resolution to avoid floating-point nastiness to cause too much trouble; added sep-dp=N option to control the decimal place in .annot outputs;

  • added fac instead of bin for PSD (but, in general, removing support/documentation around this).

  • for SIGNALS command, added the req option to require that specified signals are present/kept; in contrast, the original keep option now will not complain if a requested signal is not present (i.e. keep implies keep if present)

  • added the id command-line option, so that a numeric ID can be specified (i.e. and not be interpreted as a sample-list line number)

  • added a min option to EPOCH, which gives minimal output: just the epoch count to standard output

  • added a dump option to STAGE to write stages to standard out (i.e. parallels eannot option, but does not write to a file)

  • added guess (and eeg) options to the CANONICAL command, to guess csEEG without a file/group specified


  • added cache_t for PSC command SPINDLES/SO, and [in flight] adding a COUPL command to separate out spindle/SO detection from coupling analyses

  • trims trailing whitespace from the physical dimension and transducer type fields in the EDF header; this was already done for channel labels

  • swapped in functions and classes from the Eigen matrix library for many numerical intensive procedures

  • added a runs test to the stats helper function library

v0.24 (22-August-2020)

New commands

  • ALIASES command to list any channel/annotation aliases done for that individual

  • MINMAX command to set EDF header digital/physical min/max to same values across multiple channels

  • TYPES command and accompanying options ch-match, ch-exact and ch-clear, which groups channels by types (e.g. EEG, EMG, respiratory effort, etc) and defines correspondong automatic variables (e.g. ${eeg} and ${emg}); the HEADERS command now also outputs a TYPE field

  • CANONICAL command to generate canonical signals, cs_EEG, cs_LOC, cs_ROC, cs_EMG and cs_ECG

  • VARS command to output all variables defined for a given individual (designed to be paired with the new individual-level variables feature, via the vars option)

  • CC command for connectivity and coupling statistics

  • ACF command to calculate signal autocorrelation

New options/behaviors for existing commands

  • added SENS and POS variables to HEADERS channel-level output

  • added flat and max options to SIGSTATS

  • CWT-DESIGN now outputs FWHM in time and frequency domains, and accepts newer FWHM-basewd specification (instead of cycles); see this manuscript

  • added the wrapped and fwhm options to CWT

  • added the fft option to FILTER for FFT convolution

  • FILTER and FILTER-DESIGN can now read a FIR from a file; also, instead of Kaiser windows to design a FIR, one can now fix the filter order and specify the type of window (e.g. Hamming, Blackman, etc)

  • added a new option for the REFERENCE command, and the ability to specify . as a reference (i.e. to do nothing, to facilitate automatic processing)

  • added summaries to CORREL, and improved the speed of this command

  • allow now a comma-delimited list when defining stage labels for STAGE and HYPNO, e.g. N1=n1,NREM2

  • added epoch and per-spindle options to the SPINDLES, making this level of output optinal, and omitted by default (i.e. for ExFxCH and NxFxCH)

  • new added cstats and astats options for SIGSTATS

  • added the channels option to the DESC command (to write a simple list of all channel labels to standard output)

  • the ANNOTS command now outputs START_HMS/STOP_HMS and START_ELAPSED_HMS/STOP_ELAPSED_HMS under ANNOT x INST x T output strata, which are the hh:mm:ss version of clock-time and elapsed time since EDF start, respectively

Other changes

  • default log output is now less verbose (unless verbose=1 set)

  • small fixes in processing EDF fields: the reserved field is now set to space (rather than null) characters; also, all EDF header fields (including the reserved field) are now checked for being within the 7-bit US-ASCII range 32-126 (any character outside this range is changed to a ? character)

  • changed behavior to replace spaces in channel names with underscore (_) characters for ease of processing; setting the spaces variable can specify alternate replacement characters; keep-spaces option, if true, means that spaces are retained

  • added support for individual-level variables to be loaded from a file (via the vars option)

  • added automatic special variable ${id}, which can act in the same manner as the ^ special character in scripts, i.e. to represent the current EDF ID

  • added the add= option to turn on/off conditional blocks

  • added a check that any variable defined in a script does not clash with a special variable (i.e. command line option).

  • added include={file list} option, to mirror exclude={file list} (nb. you cannot have both exclude and include)

  • Luna can now read gzipped (compressed) ASCIIs directly

  • added a check that named TAGs do not clash with existing, internal tags, e.g. F or CH

  • fixed an issue with 0-duration annotations, e.g. as may occur with marks from EDF Annotations channel

  • fixed an issue with the ANNOTS command not reporting all output if the EPOCH command hadn't been explicitly called first

  • Luna now explicitly gives an error message if trying to use an .eannot file (or e:1 notation in an .annot file) with EDF+ (i.e. which may be discontinuous). That is, if the input file is an EDF+, Luna requires annotation formats with exact times (i.e. either seconds elapsed since the start of the EDF, or hh:mm:ss format).

  • added EDF+ Annotation parsing; Luna now reads all EDF Annotations events as an annotation track, which is automatically combined with any other annotations (e.g. from XML or .annot files). Currently, all annotations have the class edf_annot, which values are instance IDs/label.

  • added new options to force/skip annotations: force-edf, skip-annots, skip-edf-annots and skip-all-annots.

  • added support for using braces { and } instead of ' to denote string literals in eval expressions (i.e. which can be convenient if writing expressions on the command line with -s where ' is already used)

  • changed formatting of -t text table file names; added --tt-prepend and --tt-append options (equivalently, --tt-prefix and --tt-suffix)

  • SPANNING now works on EDF+D files

  • HEADERS now reports EDF_TYPE

v0.23 (15-Jan-2020)

  • new help function (-h command line argument), to list commands, parameters and their output tables/variables

  • new spindle/slow oscillation coupling permutation option and output variables

  • provisional support for text-table output mode with -t option, optionally writing gzipped text (with corresponding lunaR ltxttab() function

  • new option to read data from a plain text file rather than an EDF

  • automatically generate sample lists with a new --build option, i.e. to recursively find all EDFs and match annotation files in a set of folders

  • added support to read and write compressed EDF files, via the EDFZ format, as highlighed in this vignette

  • new scripting features: command files now allow conditional clauses, via the [[var syntax, within-script variable definitions, via the ${var=xyz}syntax, and expanding numeric sequences, e.g. [ICA][1:10] expands to ICA1,ICA2,ICA3,...

  • new SEGMENTS command to show contiguous time intervals within a discontinuous EDF+

  • can now write EDF+ files

  • new experimental commands for multi-channel EEG: CLOCS (to read channel locations), CHEP (channel/epoch masks), INTERPOLATE (to interpolate missing channels/epoch based on spherical splines), SL (to compute the surface Laplacian), and ICA (implementation of the fastICA algorithm).

  • added individual-ID wildcards in the specification of output database names (-o or -a), i.e. to write to a separate database for each EDF/individual, e.g. -o path/to/out-^.db

  • COH performance has increased, and it now reports imaginary and lagged coherence; also, can accept sig1 and sig2 parameters to more flexibly specify which pairs of channels are considered

  • the CHS output factor is now split into two separate factors, CH1 and CH2, for COH CORREL and MI

  • added SPANNING command to report on "coverage" of an EDF by one or more annotations

  • added special variables silent to turn off all console logging

  • added --xml2 command line option for verbose view of XML tree

  • removed the skip-annots special variable; replaced with two new variables: skip-edf-annots and skip-all-annots

  • the MASK epoch and mask-epoch parameters can now take comma-delimited lists of ranges, e.g. epoch=1,6,8-10,22

  • changed the behavior of assume-pm-start; it is now off by default, and accepts a time parameter to define whether ambiguous times are assigned AM or PM values

  • added START_TIME, START_DATE and (optionally) SIGNALS output variables to the HEADERS command

  • now make new, unique labels for any duplicate channel labels found in an EDF (e.g. EEG, EEG.1, EEG.2, etc) and writes a message to the log

  • now check whether the same channel alias points to more than one channel, and if so, will give an error message

  • can now use hh:mm:ss clock-time format in .annot files (assumes 24 hour; requires start & stop specified)

  • changed clock-time format from hh:mm:ss to for compliance with the EDF spec; Luna can still read clock-times with the colon-delimiter however

  • new mode (-a instead of -o) to append to, rather than overwrite, output databases

  • fixed an issue with the MTM command's epoch option, when used with multiple signals

  • fixed issue with command parameters not being recorded in the output database

  • added the nsrr-remap option to turn off auto-remapping of NSRR annotations

  • new RECS and SEGMENTS commands to dump basic EDF record and interval info to stdout

  • added a fail-list option [note: need to check implementation]

  • fixed issue with ANNOTS where an annotation was flagged as overlapping a region/epoch is it ended exactly 1 time-unit beforehand (i.e. ignored convention that intervals are internally represented as [start] to [one past the end] of the interval).

v0.22 (31-March-2019)

Initial public release.

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