Data Item _em_map.r_free

General

Item name
_em_map.r_free
Category name
em_map
Attribute name
r_free
Required in PDB entries
no
Used in currrent PDB entries
No

Item Description

The R-free statistic value measures the agreement between the atomic model and the diffraction data for a 'test' set of reflections (usually 10%) that is omitted during refinement.

Data Type

Data type code
float
Data type detail
int item types are the subset of numbers that are the floating numbers.
Primitive data type code
numb
Regular expression
-?(([0-9]+)[.]?|([0-9]*[.][0-9]+))([(][0-9]+[)])?([eE][+-]?[0-9]+)?