Make classes in rdf use the Results class

package/CHANGELOG

@@ -180,6 +180,9 @@ Enhancements
     checking if it can be used in parallel analysis. (Issue #2996, PR #2950)
 
 Changes
+  * `analysis.rdf.InterRDF` and `analysis.rdf.InterRDF_s` now store
+    their result attributes using the `analysis.base.Results` class
+    (Issue #3276, #3261)
   * Adds a `force` parameter to the RDKitConverter to allow conversion of
     molecules with no hydrogen atom, and a `set_converter_cache_size` function
     to change how many items are retained in the cache (PR #2942)
@@ -199,10 +202,10 @@ Changes
     (Issues #3289, #3291)
   * `analysis.hole2.HoleAnalysis` now stores ``sphpdbs``, ``outfiles``
     and ``profiles`` in the `analysis.base.Results` class (Issues #3261, #3269)
-  * `helix_analysis.HELANAL` now uses the `analysis.base.Results` class to
-    store results attributes (Issue #3261, #3267)
   * `analysis.diffusionmap.DistanceMatrix` class now stores `dist_matrix`
     using the `analysis.base.Results` class (Issues #3288, #3290)
+  * `helix_analysis.HELANAL` now uses the `analysis.base.Results` class to
+    store results attributes (Issue #3261, #3267)
   * `analysis.align.AlignTraj` and `analysis.align.AverageStructure` now store
     their result attributes using the `analysis.base.Results` class
     (Issues #3278 and #3261)
@@ -225,7 +228,7 @@ Changes
     analysis.hydrogenbonds.hbond_analysis (Issues #2739, #2746)
   * `GNMAnalysis`, `LinearDensity`, `PersistenceLength` and
     `AnalysisFromFunction` use the `results` attribute.
-  * Fixed inaccurate docstring inside the RMSD class (Issue #2796, PR #3134) 
+  * Fixed inaccurate docstring inside the RMSD class (Issue #2796, PR #3134)
   * TPRParser now loads TPR files with `tpr_resid_from_one=True` by default,
     which starts TPR resid indexing from 1 (instead of 0 as in 1.x) (Issue #2364, PR #3152)
   * Introduces encore specific C compiler arguments to allow for lowering of
@@ -269,6 +272,11 @@ Changes
   * Added OpenMM coordinate and topology converters (Issue #2863, PR #2917)
 
 Deprecations
+  * The `bins`, `edges`, `count`, `rdf` attributes for `analysis.rdf.InterRDF`
+    and `analysis.rdf.InterRDF_s`, and `cdf` attributes for
+    `analysis.rdf.InterRDF_s` are now deprecated in favour of `results.bins`,
+    `results.edges`, `results.count`, `results.rdf` and `results.cdf`
+    (Issue #3276, #3261)
   * The `hydrogenbonds.WaterBridgeAnalysis.table` attribute is now deprecated and will
     be removed in 3.0.0.
   * The `hydrogenbonds.WaterBridgeAnalysis.network` attribute is now deprecated
@@ -291,7 +299,7 @@ Deprecations
     ``results.sphpdbs``, ``results.outfiles`` and
     ``results.profiles`` (Issues #3261, #3269)
   * The `analysis.diffusionmap.DistanceMatrix.dist_matrix` is now deprecated in
-    favour of `analysis.diffusionmap.DistanceMatrix.results.dist_matrix`. 
+    favour of `analysis.diffusionmap.DistanceMatrix.results.dist_matrix`.
     It will be removed in 3.0.0 (Issues #3288, #3290)
   * The `analysis.align.AlignTraj.rmsd` attribute is now deprecated in
     favour of `analysis.align.AlignTraj.results.rmsd` (Issue #3278, #3261)
@@ -309,7 +317,7 @@ Deprecations
   * The `angles` attribute for the `dihedrals` classes (Dihedral,
     Ramachandran, Janin) is now deprecated in favour of `results.angles`. It
     will be removed in 3.0.0 (Issue #3261)
-  * The `analysis.Contacts.timeseries` attribute is now deprecated in favour of 
+  * The `analysis.Contacts.timeseries` attribute is now deprecated in favour of
     `analysis.Contacts.results.timeseries`. It will be removed in 3.0.0
     (Issue #3261)
   * The `density` attribute of `analysis.density.DensityAnalysis` is now