NEWS.md

Version 0.3

• Doc fixes to pass check (0.3.2)
• Move xg, checkpoints, z_bin args from get_fit() to fit_trajectory() (0.3.2)
• Fix wand prediction to deal with grid/checkpoints outside range (0.3.2)
• Explicitly get face predict method (0.3.1)
• Export get_avail_methods() (0.3.1)
• Remove Bokeh logo from plots (0.3.1)
• Fix multistudy boxplot to deal with empty factor levels (0.3.1)
• Fix / standardize alpha for ly_zband() (0.3.1)
• Add class and print method for get_fit object (0.3.1)
• Remove blip in velocity plots and properly center fitted points for centered plot (0.3.1)
• Fix bug in 'by checkpoints' division when there is no z categorization (0.3.1)
• Add check_data() method (0.3.1)
• Fix bug in fda prediction with holdouts (0.3.1)
• Update subject-specific methods to honor holdout correctly (0.3.1)
• Fix issue with holdout with single-record subject (0.3.1)
• Fix bug in z-score transformation for empty fit (0.3.1)
• Update wand fit method to allow user-defined min and max for for spline model (0.3.1)
• Add option of passing in user-defined min and max knots for brokenstick method (0.3.1)
• Fix bug dealing with missing zfit in fit_trajectory (0.3.1)
• Fix bug in fda fit_apply (0.3.1)
• Fix bug for single row dataframe (0.3.1)
• Fix brokenstick grid and checkpoint prediction (0.3.1)
• Fix z-scale plot issue (0.3.1)
• Fix Wand method so that knots are preserved from fitting for prediction (0.3.1)
• Fix plot methods with single-record data and add points to grid lines (0.3.1)
• Massive overhaul of fitting approach (0.3.0)
• Add brokenstick fitting method (0.3.0)
• Add sitar fitting method (0.3.0)
• Add Wand fitting method (0.3.0)
• Add Laird and Ware fitting method (0.3.0)
• Add holdout function and MSE computation (0.3.0)

Version 0.2

• Update "face" to output fits at data points (0.2.7)
• Update "face" fitting method to use new package (0.2.7)
• Add view_variables() function (0.2.6)
• Remove checking for "subjid" and "agedays" in favor of checking data once up front (0.2.6)
• Fix plot_time_count_grid() dimension issues (0.2.5)
• Update plot_var_matrix() to have a head argument (0.2.5)
• Update plot_time_count_grid() to have a min_border_left argument (0.2.5)
• Major speedup in get_subject_data() (0.2.4)
• Change default transformation to identity (0.2.3)
• Handle empty subjects more robustly in fitting all trajectories (0.2.3)
• Add nadir cognostics (0.2.3)
• Fix issue with inversion large z-scores (0.2.3)
• Add fda, face, smooth.spline fitting methods (0.2.3)
• Add trelliscope velocity plots (0.2.3)
• Clean up fit_trajectory() to get more consistent output in all cases (0.2.2)
• Fix in fit_trajectory() to deal with z-scores that are so large that they break pnorm() - truncate z-scores whose absolute value exceeds 8 (0.2.2)
• Add ability to plot nadir guide to plot_z() (0.2.2)
• Add nadir to cognostics (0.2.2)
• Add "fda" and "face" fitting methods (0.2.1)
• Add z-scale, velocity, and z-velocity Trelliscope methods (0.2.1)
• Make some of the cognostics methods generic (0.2.1)
• Add Intergrowth birth standard (0.2.0)
• Add Intergrowth prenatal standard (0.2.0)
• Update all standards to have measurement-specific methods (e.g. who_bmi2zscore()) (0.2.0)
• Add rbokeh/lattice/ggplot2 utilities for plotting all growth standards (e.g. ly_igb()) (0.2.0)
• Add z band and velocity plot methods (0.2.0)
• Several documentation updates (0.2.0)
• Change "quantile" to "centile" in growth standard methods (0.2.0)
• Add grid_deriv() function for estimating derivatives given a grid of points (0.2.0)
• Revamp trajectory fitting to work with fitting on both z-score and measurement scale (0.2.0)
• Add growth velocity and z-score velocity to results or trajectory fits (0.2.0)
• Add get_subject_data() and get_time_data() for dealing with subject-level / time-varying aspects of longitudinal data (0.2.0)

Version 0.1

• Initial release