DOC: Fix doc redirects (#56577)

* DOC: Update redirects

* fixups

* fixups

Author: rhshadrach

doc/redirects.csv

@@ -100,7 +100,6 @@ generated/pandas.api.extensions.register_series_accessor,../reference/api/pandas
 generated/pandas.api.types.infer_dtype,../reference/api/pandas.api.types.infer_dtype
 generated/pandas.api.types.is_bool_dtype,../reference/api/pandas.api.types.is_bool_dtype
 generated/pandas.api.types.is_bool,../reference/api/pandas.api.types.is_bool
-generated/pandas.api.types.is_categorical_dtype,../reference/api/pandas.api.types.is_categorical_dtype
 generated/pandas.api.types.is_complex_dtype,../reference/api/pandas.api.types.is_complex_dtype
 generated/pandas.api.types.is_complex,../reference/api/pandas.api.types.is_complex
 generated/pandas.api.types.is_datetime64_any_dtype,../reference/api/pandas.api.types.is_datetime64_any_dtype
@@ -193,40 +192,39 @@ generated/pandas.core.groupby.DataFrameGroupBy.shift,../reference/api/pandas.cor
 generated/pandas.core.groupby.DataFrameGroupBy.size,../reference/api/pandas.core.groupby.DataFrameGroupBy.size
 generated/pandas.core.groupby.DataFrameGroupBy.skew,../reference/api/pandas.core.groupby.DataFrameGroupBy.skew
 generated/pandas.core.groupby.DataFrameGroupBy.take,../reference/api/pandas.core.groupby.DataFrameGroupBy.take
-generated/pandas.core.groupby.GroupBy.agg,../reference/api/pandas.core.groupby.GroupBy.agg
-generated/pandas.core.groupby.GroupBy.aggregate,../reference/api/pandas.core.groupby.GroupBy.aggregate
-generated/pandas.core.groupby.GroupBy.all,../reference/api/pandas.core.groupby.GroupBy.all
-generated/pandas.core.groupby.GroupBy.any,../reference/api/pandas.core.groupby.GroupBy.any
-generated/pandas.core.groupby.GroupBy.apply,../reference/api/pandas.core.groupby.GroupBy.apply
-generated/pandas.core.groupby.GroupBy.bfill,../reference/api/pandas.core.groupby.GroupBy.bfill
-generated/pandas.core.groupby.GroupBy.count,../reference/api/pandas.core.groupby.GroupBy.count
-generated/pandas.core.groupby.GroupBy.cumcount,../reference/api/pandas.core.groupby.GroupBy.cumcount
-generated/pandas.core.groupby.GroupBy.ffill,../reference/api/pandas.core.groupby.GroupBy.ffill
-generated/pandas.core.groupby.GroupBy.first,../reference/api/pandas.core.groupby.GroupBy.first
-generated/pandas.core.groupby.GroupBy.get_group,../reference/api/pandas.core.groupby.GroupBy.get_group
-generated/pandas.core.groupby.GroupBy.groups,../reference/api/pandas.core.groupby.GroupBy.groups
-generated/pandas.core.groupby.GroupBy.head,../reference/api/pandas.core.groupby.GroupBy.head
-generated/pandas.core.groupby.GroupBy.indices,../reference/api/pandas.core.groupby.GroupBy.indices
-generated/pandas.core.groupby.GroupBy.__iter__,../reference/api/pandas.core.groupby.GroupBy.__iter__
-generated/pandas.core.groupby.GroupBy.last,../reference/api/pandas.core.groupby.GroupBy.last
-generated/pandas.core.groupby.GroupBy.max,../reference/api/pandas.core.groupby.GroupBy.max
-generated/pandas.core.groupby.GroupBy.mean,../reference/api/pandas.core.groupby.GroupBy.mean
-generated/pandas.core.groupby.GroupBy.median,../reference/api/pandas.core.groupby.GroupBy.median
-generated/pandas.core.groupby.GroupBy.min,../reference/api/pandas.core.groupby.GroupBy.min
-generated/pandas.core.groupby.GroupBy.ngroup,../reference/api/pandas.core.groupby.GroupBy.ngroup
-generated/pandas.core.groupby.GroupBy.nth,../reference/api/pandas.core.groupby.GroupBy.nth
-generated/pandas.core.groupby.GroupBy.ohlc,../reference/api/pandas.core.groupby.GroupBy.ohlc
-generated/pandas.core.groupby.GroupBy.pct_change,../reference/api/pandas.core.groupby.GroupBy.pct_change
-generated/pandas.core.groupby.GroupBy.pipe,../reference/api/pandas.core.groupby.GroupBy.pipe
-generated/pandas.core.groupby.GroupBy.prod,../reference/api/pandas.core.groupby.GroupBy.prod
-generated/pandas.core.groupby.GroupBy.rank,../reference/api/pandas.core.groupby.GroupBy.rank
-generated/pandas.core.groupby.GroupBy.sem,../reference/api/pandas.core.groupby.GroupBy.sem
-generated/pandas.core.groupby.GroupBy.size,../reference/api/pandas.core.groupby.GroupBy.size
-generated/pandas.core.groupby.GroupBy.std,../reference/api/pandas.core.groupby.GroupBy.std
-generated/pandas.core.groupby.GroupBy.sum,../reference/api/pandas.core.groupby.GroupBy.sum
-generated/pandas.core.groupby.GroupBy.tail,../reference/api/pandas.core.groupby.GroupBy.tail
-generated/pandas.core.groupby.GroupBy.transform,../reference/api/pandas.core.groupby.GroupBy.transform
-generated/pandas.core.groupby.GroupBy.var,../reference/api/pandas.core.groupby.GroupBy.var
+generated/pandas.core.groupby.GroupBy.agg,../reference/api/pandas.core.groupby.DataFrameGroupBy.agg
+generated/pandas.core.groupby.GroupBy.aggregate,../reference/api/pandas.core.groupby.DataFrameGroupBy.aggregate
+generated/pandas.core.groupby.GroupBy.all,../reference/api/pandas.core.groupby.DataFrameGroupBy.all
+generated/pandas.core.groupby.GroupBy.any,../reference/api/pandas.core.groupby.DataFrameGroupBy.any
+generated/pandas.core.groupby.GroupBy.apply,../reference/api/pandas.core.groupby.DataFrameGroupBy.apply
+generated/pandas.core.groupby.GroupBy.bfill,../reference/api/pandas.core.groupby.DataFrameGroupBy.bfill
+generated/pandas.core.groupby.GroupBy.count,../reference/api/pandas.core.groupby.DataFrameGroupBy.count
+generated/pandas.core.groupby.GroupBy.cumcount,../reference/api/pandas.core.groupby.DataFrameGroupBy.cumcount
+generated/pandas.core.groupby.GroupBy.ffill,../reference/api/pandas.core.groupby.DataFrameGroupBy.ffill
+generated/pandas.core.groupby.GroupBy.first,../reference/api/pandas.core.groupby.DataFrameGroupBy.first
+generated/pandas.core.groupby.GroupBy.get_group,../reference/api/pandas.core.groupby.DataFrameGroupBy.get_group
+generated/pandas.core.groupby.GroupBy.groups,../reference/api/pandas.core.groupby.DataFrameGroupBy.groups
+generated/pandas.core.groupby.GroupBy.head,../reference/api/pandas.core.groupby.DataFrameGroupBy.head
+generated/pandas.core.groupby.GroupBy.indices,../reference/api/pandas.core.groupby.DataFrameGroupBy.indices
+generated/pandas.core.groupby.GroupBy.__iter__,../reference/api/pandas.core.groupby.DataFrameGroupBy.__iter__
+generated/pandas.core.groupby.GroupBy.last,../reference/api/pandas.core.groupby.DataFrameGroupBy.last
+generated/pandas.core.groupby.GroupBy.max,../reference/api/pandas.core.groupby.DataFrameGroupBy.max
+generated/pandas.core.groupby.GroupBy.mean,../reference/api/pandas.core.groupby.DataFrameGroupBy.mean
+generated/pandas.core.groupby.GroupBy.median,../reference/api/pandas.core.groupby.DataFrameGroupBy.median
+generated/pandas.core.groupby.GroupBy.min,../reference/api/pandas.core.groupby.DataFrameGroupBy.min
+generated/pandas.core.groupby.GroupBy.ngroup,../reference/api/pandas.core.groupby.DataFrameGroupBy.ngroup
+generated/pandas.core.groupby.GroupBy.nth,../reference/api/pandas.core.groupby.DataFrameGroupBy.nth
+generated/pandas.core.groupby.GroupBy.ohlc,../reference/api/pandas.core.groupby.DataFrameGroupBy.ohlc
+generated/pandas.core.groupby.GroupBy.pct_change,../reference/api/pandas.core.groupby.DataFrameGroupBy.pct_change
+generated/pandas.core.groupby.GroupBy.pipe,../reference/api/pandas.core.groupby.DataFrameGroupBy.pipe
+generated/pandas.core.groupby.GroupBy.prod,../reference/api/pandas.core.groupby.DataFrameGroupBy.prod
+generated/pandas.core.groupby.GroupBy.rank,../reference/api/pandas.core.groupby.DataFrameGroupBy.rank
+generated/pandas.core.groupby.GroupBy.size,../reference/api/pandas.core.groupby.DataFrameGroupBy.size
+generated/pandas.core.groupby.GroupBy.std,../reference/api/pandas.core.groupby.DataFrameGroupBy.std
+generated/pandas.core.groupby.GroupBy.sum,../reference/api/pandas.core.groupby.DataFrameGroupBy.sum
+generated/pandas.core.groupby.GroupBy.tail,../reference/api/pandas.core.groupby.DataFrameGroupBy.tail
+generated/pandas.core.groupby.GroupBy.transform,../reference/api/pandas.core.groupby.DataFrameGroupBy.transform
+generated/pandas.core.groupby.GroupBy.var,../reference/api/pandas.core.groupby.DataFrameGroupBy.var
 generated/pandas.core.groupby.SeriesGroupBy.is_monotonic_decreasing,../reference/api/pandas.core.groupby.SeriesGroupBy.is_monotonic_decreasing
 generated/pandas.core.groupby.SeriesGroupBy.is_monotonic_increasing,../reference/api/pandas.core.groupby.SeriesGroupBy.is_monotonic_increasing
 generated/pandas.core.groupby.SeriesGroupBy.nlargest,../reference/api/pandas.core.groupby.SeriesGroupBy.nlargest
@@ -237,7 +235,7 @@ generated/pandas.core.groupby.SeriesGroupBy.value_counts,../reference/api/pandas
 generated/pandas.core.resample.Resampler.aggregate,../reference/api/pandas.core.resample.Resampler.aggregate
 generated/pandas.core.resample.Resampler.apply,../reference/api/pandas.core.resample.Resampler.apply
 generated/pandas.core.resample.Resampler.asfreq,../reference/api/pandas.core.resample.Resampler.asfreq
-generated/pandas.core.resample.Resampler.backfill,../reference/api/pandas.core.resample.Resampler.backfill
+generated/pandas.core.resample.Resampler.backfill,../reference/api/pandas.core.resample.Resampler.bfill
 generated/pandas.core.resample.Resampler.bfill,../reference/api/pandas.core.resample.Resampler.bfill
 generated/pandas.core.resample.Resampler.count,../reference/api/pandas.core.resample.Resampler.count
 generated/pandas.core.resample.Resampler.ffill,../reference/api/pandas.core.resample.Resampler.ffill
@@ -256,7 +254,6 @@ generated/pandas.core.resample.Resampler.min,../reference/api/pandas.core.resamp
 generated/pandas.core.resample.Resampler.nearest,../reference/api/pandas.core.resample.Resampler.nearest
 generated/pandas.core.resample.Resampler.nunique,../reference/api/pandas.core.resample.Resampler.nunique
 generated/pandas.core.resample.Resampler.ohlc,../reference/api/pandas.core.resample.Resampler.ohlc
-generated/pandas.core.resample.Resampler.pad,../reference/api/pandas.core.resample.Resampler.pad
 generated/pandas.core.resample.Resampler.pipe,../reference/api/pandas.core.resample.Resampler.pipe
 generated/pandas.core.resample.Resampler.prod,../reference/api/pandas.core.resample.Resampler.prod
 generated/pandas.core.resample.Resampler.quantile,../reference/api/pandas.core.resample.Resampler.quantile
@@ -708,7 +705,7 @@ generated/pandas.Index.summary,../reference/api/pandas.Index.summary
 generated/pandas.Index.symmetric_difference,../reference/api/pandas.Index.symmetric_difference
 generated/pandas.Index.take,../reference/api/pandas.Index.take
 generated/pandas.Index.T,../reference/api/pandas.Index.T
-generated/pandas.Index.to_flat_index,../reference/api/pandas.Index.to_flat_index
+generated/pandas.Index.to_flat_index,../reference/api/pandas.MultiIndex.to_flat_index
 generated/pandas.Index.to_frame,../reference/api/pandas.Index.to_frame
 generated/pandas.Index.to_list,../reference/api/pandas.Index.to_list
 generated/pandas.Index.tolist,../reference/api/pandas.Index.tolist
@@ -753,7 +750,8 @@ generated/pandas.Interval.overlaps,../reference/api/pandas.Interval.overlaps
 generated/pandas.interval_range,../reference/api/pandas.interval_range
 generated/pandas.Interval.right,../reference/api/pandas.Interval.right
 generated/pandas.io.formats.style.Styler.apply,../reference/api/pandas.io.formats.style.Styler.apply
-generated/pandas.io.formats.style.Styler.applymap,../reference/api/pandas.io.formats.style.Styler.applymap
+generated/pandas.io.formats.style.Styler.applymap,../reference/api/pandas.io.formats.style.Styler.map
+generated/pandas.io.formats.style.Styler.applymap_index,../reference/api/pandas.io.formats.style.Styler.map_index
 generated/pandas.io.formats.style.Styler.background_gradient,../reference/api/pandas.io.formats.style.Styler.background_gradient
 generated/pandas.io.formats.style.Styler.bar,../reference/api/pandas.io.formats.style.Styler.bar
 generated/pandas.io.formats.style.Styler.clear,../reference/api/pandas.io.formats.style.Styler.clear
@@ -1384,3 +1382,69 @@ generated/pandas.wide_to_long,../reference/api/pandas.wide_to_long
 
 # Cached searches
 reference/api/pandas.DataFrame.from_csv,pandas.read_csv
+
+# GroupBy -> DataFrameGroupBy
+reference/api/pandas.core.groupby.GroupBy.__iter__,pandas.core.groupby.DataFrameGroupBy.__iter__
+reference/api/pandas.core.groupby.GroupBy.agg,pandas.core.groupby.DataFrameGroupBy.agg
+reference/api/pandas.core.groupby.GroupBy.aggregate,pandas.core.groupby.DataFrameGroupBy.aggregate
+reference/api/pandas.core.groupby.GroupBy.all,pandas.core.groupby.DataFrameGroupBy.all
+reference/api/pandas.core.groupby.GroupBy.any,pandas.core.groupby.DataFrameGroupBy.any
+reference/api/pandas.core.groupby.GroupBy.apply,pandas.core.groupby.DataFrameGroupBy.apply
+reference/api/pandas.core.groupby.GroupBy.bfill,pandas.core.groupby.DataFrameGroupBy.bfill
+reference/api/pandas.core.groupby.GroupBy.count,pandas.core.groupby.DataFrameGroupBy.count
+reference/api/pandas.core.groupby.GroupBy.cumcount,pandas.core.groupby.DataFrameGroupBy.cumcount
+reference/api/pandas.core.groupby.GroupBy.cummax,pandas.core.groupby.DataFrameGroupBy.cummax
+reference/api/pandas.core.groupby.GroupBy.cummin,pandas.core.groupby.DataFrameGroupBy.cummin
+reference/api/pandas.core.groupby.GroupBy.cumprod,pandas.core.groupby.DataFrameGroupBy.cumprod
+reference/api/pandas.core.groupby.GroupBy.cumsum,pandas.core.groupby.DataFrameGroupBy.cumsum
+reference/api/pandas.core.groupby.GroupBy.ffill,pandas.core.groupby.DataFrameGroupBy.ffill
+reference/api/pandas.core.groupby.GroupBy.first,pandas.core.groupby.DataFrameGroupBy.first
+reference/api/pandas.core.groupby.GroupBy.get_group,pandas.core.groupby.DataFrameGroupBy.get_group
+reference/api/pandas.core.groupby.GroupBy.groups,pandas.core.groupby.DataFrameGroupBy.groups
+reference/api/pandas.core.groupby.GroupBy.head,pandas.core.groupby.DataFrameGroupBy.head
+reference/api/pandas.core.groupby.GroupBy.indices,pandas.core.groupby.DataFrameGroupBy.indices
+reference/api/pandas.core.groupby.GroupBy.last,pandas.core.groupby.DataFrameGroupBy.last
+reference/api/pandas.core.groupby.GroupBy.max,pandas.core.groupby.DataFrameGroupBy.max
+reference/api/pandas.core.groupby.GroupBy.mean,pandas.core.groupby.DataFrameGroupBy.mean
+reference/api/pandas.core.groupby.GroupBy.median,pandas.core.groupby.DataFrameGroupBy.median
+reference/api/pandas.core.groupby.GroupBy.min,pandas.core.groupby.DataFrameGroupBy.min
+reference/api/pandas.core.groupby.GroupBy.ngroup,pandas.core.groupby.DataFrameGroupBy.ngroup
+reference/api/pandas.core.groupby.GroupBy.nth,pandas.core.groupby.DataFrameGroupBy.nth
+reference/api/pandas.core.groupby.GroupBy.ohlc,pandas.core.groupby.DataFrameGroupBy.ohlc
+reference/api/pandas.core.groupby.GroupBy.pct_change,pandas.core.groupby.DataFrameGroupBy.pct_change
+reference/api/pandas.core.groupby.GroupBy.pipe,pandas.core.groupby.DataFrameGroupBy.pipe
+reference/api/pandas.core.groupby.GroupBy.prod,pandas.core.groupby.DataFrameGroupBy.prod
+reference/api/pandas.core.groupby.GroupBy.rank,pandas.core.groupby.DataFrameGroupBy.rank
+reference/api/pandas.core.groupby.GroupBy.sem,pandas.core.groupby.DataFrameGroupBy.sem
+reference/api/pandas.core.groupby.GroupBy.size,pandas.core.groupby.DataFrameGroupBy.size
+reference/api/pandas.core.groupby.GroupBy.std,pandas.core.groupby.DataFrameGroupBy.std
+reference/api/pandas.core.groupby.GroupBy.sum,pandas.core.groupby.DataFrameGroupBy.sum
+reference/api/pandas.core.groupby.GroupBy.tail,pandas.core.groupby.DataFrameGroupBy.tail
+reference/api/pandas.core.groupby.GroupBy.transform,pandas.core.groupby.DataFrameGroupBy.transform
+reference/api/pandas.core.groupby.GroupBy.var,pandas.core.groupby.DataFrameGroupBy.var
+
+# Renamed or alias doc page was removed
+reference/api/pandas.DataFrame.subtract,pandas.DataFrame.sub
+reference/api/pandas.DataFrame.multiply,pandas.DataFrame.mul
+reference/api/pandas.DataFrame.divide,pandas.DataFrame.div
+reference/api/pandas.Series.subtract,pandas.Series.sub
+reference/api/pandas.Series.multiply,pandas.Series.mul
+reference/api/pandas.Series.divide,pandas.Series.div
+reference/api/pandas.Series.tolist,pandas.Series.to_list
+reference/api/pandas.Series.transpose,pandas.Series.T
+reference/api/pandas.Index.transpose,pandas.Index.T
+reference/api/pandas.Index.notnull,pandas.Index.notna
+reference/api/pandas.Index.tolist,pandas.Index.to_list
+reference/api/pandas.arrays.PandasArray,pandas.arrays.NumpyExtensionArray
+reference/api/pandas.core.groupby.DataFrameGroupBy.backfill,pandas.core.groupby.DataFrameGroupBy.bfill
+reference/api/pandas.core.groupby.GroupBy.backfill,pandas.core.groupby.DataFrameGroupBy.bfill
+reference/api/pandas.core.resample.Resampler.backfill,pandas.core.resample.Resampler.bfill
+reference/api/pandas.io.formats.style.Styler.applymap,pandas.io.formats.style.Styler.map
+reference/api/pandas.io.formats.style.Styler.applymap_index,pandas.io.formats.style.Styler.map_index
+
+# EWM -> ExponentialMovingWindow
+reference/api/pandas.core.window.ewm.EWM.corr,pandas.core.window.ewm.ExponentialMovingWindow.corr
+reference/api/pandas.core.window.ewm.EWM.cov,pandas.core.window.ewm.ExponentialMovingWindow.cov
+reference/api/pandas.core.window.ewm.EWM.mean,pandas.core.window.ewm.ExponentialMovingWindow.mean
+reference/api/pandas.core.window.ewm.EWM.std,pandas.core.window.ewm.ExponentialMovingWindow.std
+reference/api/pandas.core.window.ewm.EWM.var,pandas.core.window.ewm.ExponentialMovingWindow.var