Data Item _reflns_shell.pdbx_R_split
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General 
- Item name
- _reflns_shell.pdbx_R_split
- Category name
- reflns_shell
- Attribute name
- pdbx_R_split
- Required in PDB entries
- no
- Used in current PDB entries
- Yes, in about 0.1 % of entries
Item Description
R split measures the agreement between the sets of intensities created by merging
odd- and even-numbered images from the data within the resolution shell.
Ref: T. A. White, R. A. Kirian, A. V. Martin, A. Aquila, K. Nass,
A. Barty and H. N. Chapman (2012), J. Appl. Cryst. 45, 335-341
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]+)?
Allowed Boundary Conditions
| Minimum Value | Maximum Value |
|---|---|
| 0 | 10 |
Advisory Boundary Conditions
| Minimum Value | Maximum Value |
|---|---|
| 0.01 | 3.2 |