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+.. _changes_0_16:
+
+Version 0.16 (2018-05-01)
+-------------------------
+
+Changelog
+~~~~~~~~~
+
+- Add possibility to pass dict of floats as argument to :func:`mne.make_ad_hoc_cov` by `Nathalie Gayraud`_
+
+- Add support for metadata in :class:`mne.Epochs` by `Chris Holdgraf`_, `Alex Gramfort`_, `Jona Sassenhagen`_, and `Eric Larson`_
+
+- Add support for plotting a dense head in :func:`mne.viz.plot_alignment` by `Eric Larson`_
+
+- Allow plotting in user-created mayavi Scene in :func:`mne.viz.plot_alignment` by `Daniel McCloy`_
+
+- Reduce memory consumption and do not require data to be loaded in :meth:`mne.Epochs.apply_baseline` by `Eric Larson`_
+
+- Add option ``render_bem`` to :meth:`mne.Report.parse_folder` by `Eric Larson`_
+
+- Add to :func:`mne.viz.plot_alignment` plotting of coordinate frame axes via ``show_axes`` and terrain-style interaction via ``interaction``, by `Eric Larson`_
+
+- Add option ``initial_event`` to :func:`mne.find_events` by `Clemens Brunner`_
+
+- Left and right arrow keys now scroll by 25% of the visible data, whereas Shift+left/right scroll by a whole page in :meth:`mne.io.Raw.plot` by `Clemens Brunner`_
+
+- Add support for gantry tilt angle determination from Elekta FIF file header by `Chris Bailey`_
+
+- Add possibility to concatenate :class:`mne.Annotations` objects with ``+`` or ``+=`` operators by `Clemens Brunner`_
+
+- Add support for MaxShield raw files in :class:`mne.Report` by `Eric Larson`_
+
+- Add ability to plot whitened data in :meth:`mne.io.Raw.plot`, :meth:`mne.Epochs.plot`, :meth:`mne.Evoked.plot`, and :meth:`mne.Evoked.plot_topo` by `Eric Larson`_
+
+- Workaround for reading EGI MFF files with physiological signals that also present a bug from the EGI system in :func:`mne.io.read_raw_egi` by `Federico Raimondo`_
+
+- Add support for reading subject height and weight in ``info['subject_info']`` by `Eric Larson`_
+
+- Improve online filtering of raw data when plotting with :meth:`mne.io.Raw.plot` to filter in segments in accordance with the default ``skip_by_annotation=('edge', 'bad_acq_skip')`` of :meth:`mne.io.Raw.filter` to avoid edge ringing by `Eric Larson`_
+
+- Add support for multiple head position files, plotting of sensors, and control of plotting color and axes in :func:`mne.viz.plot_head_positions` by `Eric Larson`_
+
+- Add ability to read and write :class:`Annotations` separate from :class:`mne.io.Raw` instances via :meth:`Annotations.save` and :func:`read_annotations` by `Eric Larson`_
+
+- Add option to unset a montage by passing `None` to :meth:`mne.io.Raw.set_montage` by `Clemens Brunner`_
+
+- Add sensor denoising via :func:`mne.preprocessing.oversampled_temporal_projection` by `Eric Larson`_
+
+- Add ``mne.io.pick.get_channel_types`` which returns all available channel types in MNE by `Clemens Brunner`_
+
+- Use standard PCA instead of randomized PCA whitening prior to ICA to increase reproducibility by `Clemens Brunner`_
+
+- Plot sEEG electrodes in :func:`mne.viz.plot_alignment` by `Alex Gramfort`_
+
+- Add support for any data type like sEEG or ECoG in covariance related functions (estimation, whitening and plotting) by `Alex Gramfort`_ and `Eric Larson`_
+
+- Add function ``mne.io.read_annotations_eeglab`` to allow loading annotations from EEGLAB files, by `Alex Gramfort`_
+
+- :meth:`mne.io.Raw.set_montage` now accepts a string as its ``montage`` argument; this will set a builtin montage, by `Clemens Brunner`_
+
+- Add 4D BTi phantom dataset :func:`mne.datasets.phantom_4dbti.data_path`, by `Alex Gramfort`_
+
+- Changed the background color to grey in :func:`mne.viz.plot_alignment` to make helmet more visible, by `Alex Gramfort`_
+
+- Add :meth:`mne.io.Raw.reorder_channels`, :meth:`mne.Evoked.reorder_channels`, etc. to reorder channels, by `Eric Larson`_
+
+- Add to ``mne coreg`` and :func:`mne.gui.coregistration` by `Eric Larson`_:
+
+  - Improved visibility of points inside the head
+  - Projection of EEG electrodes
+  - Orientation of extra points toward the surface
+  - Scaling points by distance to the head surface
+  - Display of HPI points
+  - ICP fitting with convergence criteria
+  - Faster display updates
+  - Scaling of ``mri/*.mgz`` files
+  - Scaling of ``mri/trainsforms/talairach.xfm`` files for conversion to MNI space
+
+- Add ability to exclude components interactively by clicking on their labels in :meth:`mne.preprocessing.ICA.plot_components` by `Mikołaj Magnuski`_
+
+- Add reader for manual annotations of raw data produced by Brainstorm by `Anne-Sophie Dubarry`_
+
+- Add eLORETA noise normalization for minimum-norm solvers by `Eric Larson`_
+
+- Tighter duality gap computation in ``mne.inverse_sparse.tf_mxne_optim`` and new parametrization with ``alpha`` and  ``l1_ratio`` instead of ``alpha_space`` and ``alpha_time`` by `Mathurin Massias`_ and `Daniel Strohmeier`_
+
+- Add ``dgap_freq`` parameter in ``mne.inverse_sparse.mxne_optim`` solvers to control the frequency of duality gap computation by `Mathurin Massias`_ and `Daniel Strohmeier`_
+
+- Add support for reading Eximia files by `Eric Larson`_ and `Federico Raimondo`_
+
+- Add the Picard algorithm to perform ICA for :class:`mne.preprocessing.ICA`, by `Pierre Ablin`_ and `Alex Gramfort`_
+
+- Add ability to supply a mask to the plot in :func:`mne.viz.plot_evoked_image` by `Jona Sassenhagen`_
+
+- Add ``connectivity=False`` to cluster-based statistical functions to perform non-clustering stats by `Eric Larson`_
+
+- Add :func:`mne.time_frequency.csd_morlet` and :func:`mne.time_frequency.csd_array_morlet` to estimate cross-spectral density using Morlet wavelets, by `Marijn van Vliet`_
+
+- Add multidictionary time-frequency support to :func:`mne.inverse_sparse.tf_mixed_norm` by `Mathurin Massias`_ and `Daniel Strohmeier`_
+
+- Add new DICS implementation as :func:`mne.beamformer.make_dics`, :func:`mne.beamformer.apply_dics`, :func:`mne.beamformer.apply_dics_csd` and :func:`mne.beamformer.apply_dics_epochs`, by `Marijn van Vliet`_ and `Susanna Aro`_
+
+Bug
+~~~
+
+- Fix bug in EEG interpolation code to do nothing if there is no channel to interpolate by `Mainak Jas`_
+
+- Fix bug in ``mne.preprocessing.peak_finder`` to output datatype consistently and added input check for empty vectors by `Tommy Clausner`_
+
+- Fix bug in :func:`mne.io.read_raw_brainvision` to use the correct conversion for filters from time constant to frequency by `Stefan Appelhoff`_
+
+- Fix bug with events when saving split files using :meth:`mne.Epochs.save` by `Eric Larson`_
+
+- Fix bug in :class:`mne.decoding.SlidingEstimator` and :class:`mne.decoding.GeneralizingEstimator` to allow :func:`mne.decoding.cross_val_multiscore` to automatically detect whether the ``base_estimator`` is a classifier and use a ``StratifiedKFold`` instead of a ``KFold`` when ``cv`` is not specified, by `Jean-Rémi King`_
+
+- Fix bug in :func:`mne.set_eeg_reference` to remove an average reference projector when setting the reference to ``[]`` (i.e. do not change the existing reference) by `Clemens Brunner`_
+
+- Fix bug in threshold-free cluster enhancement parameter validation (:func:`mne.stats.permutation_cluster_1samp_test` and :func:`mne.stats.permutation_cluster_test`) by `Clemens Brunner`_
+
+- Fix bug in :meth:`mne.io.Raw.plot` to correctly display event types when annotations are present by `Clemens Brunner`_
+
+- Fix bug in :func:`mne.stats.spatio_temporal_cluster_test` default value for ``threshold`` is now calculated based on the array sizes in ``X``, by `Eric Larson`_
+
+- Fix bug in :func:`mne.simulation.simulate_raw` with ``use_cps=True`` where CPS was not actually used by `Eric Larson`_
+
+- Fix bug in :func:`mne.simulation.simulate_raw` where 1- and 3-layer BEMs were not properly transformed using ``trans`` by `Eric Larson`_
+
+- Fix bug in :func:`mne.viz.plot_alignment` where the head surface file ``-head.fif`` was not used even though present by `Chris Bailey`_
+
+- Fix bug when writing compressed sparse column matrices (e.g., Maxwell filtering cross-talk matrices) by `Marijn van Vliet`_ and `Eric Larson`_
+
+- Fix bug in :meth:`mne.io.Raw.plot_psd` to correctly deal with ``reject_by_annotation=False`` by `Clemens Brunner`_
+
+- Fix bug in :func:`mne.make_fixed_length_events` when hitting corner case problems rounding to sample numbers by `Eric Larson`_
+
+- Fix bug in :class:`mne.Epochs` when passing events as list with ``event_id=None``  by `Alex Gramfort`_
+
+- Fix bug in ``mne.Report.add_figs_to_section`` when passing :class:`numpy.ndarray` by `Eric Larson`_
+
+- Fix bug in CSS class setting in `mne.Report` BEM section by `Eric Larson`_
+
+- Fix bug in :class:`Annotations` where annotations that extend to the end of a recording were not extended properly by `Eric Larson`_
+
+- Fix bug in :meth:`mne.io.Raw.filter` to properly raw data with acquisition skips in separate segments by `Eric Larson`_
+
+- Fix bug in :func:`mne.preprocessing.maxwell_filter` where homogeneous fields were not removed for CTF systems by `Eric Larson`_
+
+- Fix computation of average quaternions in :func:`mne.preprocessing.maxwell_filter` by `Eric Larson`_
+
+- Fix bug in writing ``raw.annotations`` where empty annotations could not be written to disk, by `Eric Larson`_
+
+- Fix support for writing FIF files with acquisition skips by using empty buffers rather than writing zeros by `Eric Larson`_
+
+- Fix bug in the ``mne make_scalp_surfaces`` command where ``--force`` (to bypass topology check failures) was ignored by `Eric Larson`_
+
+- Fix bug in :func:`mne.preprocessing.maxwell_filter` when providing ``origin`` in ``'meg'`` coordinate frame for recordings with a MEG to head transform (i.e., non empty-room recordings) by `Eric Larson`_
+
+- Fix bug in :func:`mne.viz.plot_cov` that ignored ``colorbar`` argument by `Nathalie Gayraud`_
+
+- Fix bug when picking CTF channels that could cause data saved to disk to be unreadable by `Eric Larson`_
+
+- Fix bug when reading event latencies (in samples) from eeglab files didn't translate indices to 0-based python indexing by `Mikołaj Magnuski`_
+
+- Fix consistency between :class:`mne.Epochs` and :func:`mne.stats.linear_regression_raw` in converting between samples and times (:func:`mne.stats.linear_regression_raw` now rounds, instead of truncating) by `Phillip Alday`_
+
+- Fix bug in ``mne coreg`` where sphere surfaces were scaled by `Eric Larson`_
+
+- Fix bug in :meth:`mne.Evoked.plot_topomap` when using ``proj='interactive'`` mode by `Eric Larson`_
+
+- Fix bug when passing ``show_sensors=1`` to :func:`mne.viz.plot_compare_evokeds` resulted in sensors legend placed in lower right of the figure (position 4 in matplotlib), not upper right by `Mikołaj Magnuski`_
+
+- Fix handling of annotations when cropping and concatenating raw data by `Alex Gramfort`_ and `Eric Larson`_
+
+- Fix bug in :func:`mne.preprocessing.create_ecg_epochs` where ``keep_ecg=False`` was ignored by `Eric Larson`_
+
+- Fix bug in :meth:`mne.io.Raw.plot_psd` when ``picks is not None`` and ``picks`` spans more than one channel type by `Eric Larson`_
+
+- Fix bug in :class:`mne.make_forward_solution` when passing data with compensation channels (e.g. CTF) that contain bad channels by `Alex Gramfort`_
+
+- Fix bug in :meth:`mne.SourceEstimate.get_peak` and :meth:`mne.VolSourceEstimate.get_peak` when there is only a single time point by `Marijn van Vliet`_
+
+- Fix bug in :func:`mne.io.read_raw_edf` when reading BDF files stimulus channels are now not scaled anymore by `Clemens Brunner`_
+
+API
+~~~
+
+- Channels with unknown locations are now assigned position ``[np.nan, np.nan, np.nan]`` instead of ``[0., 0., 0.]``, by `Eric Larson`_
+
+- Removed unused ``image_mask`` argument from :func:`mne.viz.plot_topomap` by `Eric Larson`_
+
+- Unknown measurement dates are now stored as ``info['meas_date'] = None`` rather than using the current date. ``None`` is also now used when anonymizing data and when determining the machine ID for writing files, by `Mainak Jas`_ and `Eric Larson`_
+
+- :meth:`mne.Evoked.plot` will now append the number of epochs averaged for the evoked data in the first plot title, by `Eric Larson`_
+
+- Changed the line width in :func:`mne.viz.plot_bem` from 2.0 to 1.0 for better visibility of underlying structures, by `Eric Larson`_
+
+- Changed the behavior of :meth:`mne.io.Raw.pick_channels` and similar methods to be consistent with :func:`mne.pick_channels` to treat channel list as a set (ignoring order) -- if reordering is necessary use ``inst.reorder_channels``, by `Eric Larson`_
+
+- Changed the labeling of some plotting functions to use more standard capitalization and units, e.g. "Time (s)" instead of "time [sec]" by `Eric Larson`_
+
+- ``mne.time_frequency.csd_epochs`` has been refactored into :func:`mne.time_frequency.csd_fourier` and :func:`mne.time_frequency.csd_multitaper`, by `Marijn van Vliet`_
+
+- ``mne.time_frequency.csd_array`` has been refactored into :func:`mne.time_frequency.csd_array_fourier` and :func:`mne.time_frequency.csd_array_multitaper`, by `Marijn van Vliet`_
+
+- Added ``clean_names=False`` parameter to :func:`mne.io.read_raw_ctf` for control over cleaning of main channel names and compensation channel names from CTF suffixes by `Oleh Kozynets`_
+
+- The functions ``lcmv``, ``lcmv_epochs``, and ``lcmv_raw`` are now deprecated in favor of :func:`mne.beamformer.make_lcmv` and :func:`mne.beamformer.apply_lcmv`, :func:`mne.beamformer.apply_lcmv_epochs`, and :func:`mne.beamformer.apply_lcmv_raw`, by `Britta Westner`_
+
+- The functions ``mne.beamformer.dics``, ``mne.beamformer.dics_epochs`` and ``mne.beamformer.dics_source_power`` are now deprecated in favor of :func:`mne.beamformer.make_dics`, :func:`mne.beamformer.apply_dics`, and :func:`mne.beamformer.apply_dics_csd`, by `Marijn van Vliet`_
+
+
+Authors
+~~~~~~~
+
+People who contributed to this release  (in alphabetical order):
+
+* Alejandro Weinstein
+* Alexandre Gramfort
+* Annalisa Pascarella
+* Anne-Sophie Dubarry
+* Britta Westner
+* Chris Bailey
+* Chris Holdgraf
+* Christian Brodbeck
+* Claire Braboszcz
+* Clemens Brunner
+* Daniel McCloy
+* Denis A. Engemann
+* Desislava Petkova
+* Dominik Krzemiński
+* Eric Larson
+* Erik Hornberger
+* Fede Raimondo
+* Henrich Kolkhorst
+* Jean-Rémi King
+* Jen Evans
+* Joan Massich
+* Jon Houck
+* Jona Sassenhagen
+* Juergen Dammers
+* Jussi Nurminen
+* Kambiz Tavabi
+* Katrin Leinweber
+* Kostiantyn Maksymenko
+* Larry Eisenman
+* Luke Bloy
+* Mainak Jas
+* Marijn van Vliet
+* Mathurin Massias
+* Mikolaj Magnuski
+* Nathalie Gayraud
+* Oleh Kozynets
+* Phillip Alday
+* Pierre Ablin
+* Stefan Appelhoff
+* Stefan Repplinger
+* Tommy Clausner
+* Yaroslav Halchenko