# Analyses available to the BilayerAnalyzer¶

- ac - Isothermal area compressibility.
- acm - Area compressibility modulus.
- ald - Average lateral displacement.
- apl_box - Area per lipid using box dimensions.
- apl_grid - Area per lipid using 2D lipid grids.
- area_fluctuation - Bilayer lateral box area fluctuation.
- com_lateral_rdf - Lipid-lipid RDF in the bilayer lateral plane.
- dc_cluster - Hiearchical clustering of lipids based on distance.
- disp_vec_corr_avg - Weighted average of displacement vector correlations.
- disp_vec_corr - Displacement vector correlation matrix.
- disp_vec_nncorr - Displacement vector nearest neigbor correlations.
- disp_vec - Displacement vectors.
- flip_flop - Count lipid flip flops.
- halperin_nelson - Halperin and Nelson’s rotational invariant.
- lipid_collinearity - Lipid-lipid collinearity.
- lipid_length - Lipid length using the lipid vectors.
- lipid_tilt - Lipid tilt using the lipid vectors.
- loa - Lateral lipid orientation angle.
- lop - Lateral lipid orientation parameter.
- mass_dens - Mass density profile.
- msd_dist - Mean squared displacement as a function of distance.
- msd_multi - Multiple time origin mean squared displacement.
- msd - Single time origin mean squared displacement.
- ndcorr - Correlation between bilayer surface curvature and lipid clustering.
- nnf - Lateral order nearest neighbor fraction.
- spatial_velocity_corr - Weighted average of displacement vector correlations.
- thickness_grid - Bilayer thickness using lipid_grid.
- thickness_leaflet_distance - Distance between the leaflets’ centers of mass along the normal.
- thickness_mass_weighted_std - Estimates the thickness using two times the mass-weighted standard deviation of coordinates along the normal.
- thickness_peak_distance - Estimate the bilayer thickness using distance between corresponding peaks in a mass density profile.
- vcm - Volume compressibility modulus.