Data Item _diffrn_reflns.pdbx_chi_squared

General

Item name
_diffrn_reflns.pdbx_chi_squared
Category name
diffrn_reflns
Attribute name
pdbx_chi_squared
Required in PDB entries
no
Used in current PDB entries
Yes, in about 0.9 % of entries

Item Description

Overall Chi-squared statistic for the data set.

Data Type

Data type code
float
Data type detail
float 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]+)?