Changelog

0.16.0 (2023-11-22)¶

Features¶

drop Python 3.10 and add Python 3.12 (#478) (5bf0e75)
enable copy-on-write for pandas dataframes (#494) (9a19389), closes #428

Bug Fixes¶

deps-dev: Bump urllib3 from 1.26.17 to 1.26.18 (#480) (a592d2c), closes #3159

Performance Improvements¶

remove unneeded copy operations in table transformers (#496) (6443beb), closes #494

0.15.0 (2023-07-13)¶

Features¶

Add copy method for tables (#405) (72e87f0), closes #275
add gaussian noise to image (#430) (925a505), closes #381
add schema conversions when adding new rows to a table and schema conversion when creating a new table (#432) (6e9ff69), closes #404 #322 #127 #322 #127
add test for empty tables for the method Table.sort_rows (#431) (f94b768), closes #402
added color adjustment feature (#409) (2cbee36), closes #380
added test_repr table tests (#410) (cb77790), closes #349
discretize table (#327) (5e3da8d), closes #143
Improve error handling of TaggedTable (#450) (c5da544), closes #150
Maintain tagging in methods inherited from Table class (#332) (bc73a6c), closes #58
new error class OutOfBoundsError (#438) (1f37e4a), closes #262
rename several Table methods for consistency (#445) (9954986), closes #439
suggest similar columns if column gets accessed that doesnt exist (#385) (6a097a4), closes #203

Bug Fixes¶

added the missing ids in parameterized tests (#412) (dab6419), closes #362
don't warn if Imputer transforms column without missing values (#448) (f0cb6a5)
Warnings raised by underlying seaborn and numpy libraries (#425) (c4143af), closes #357

0.14.0 (2023-06-30)¶

Features¶

Add find_edges method to Image class (#383) (d14b6ce), closes #288
Add StandardScaler transformer (#316) (57b0572), closes #142
Add docstrings to the getter methods for hyperparameters in Regression and Classification models (#371) (9073f04), closes #313
Added Table.group_by to group a table by a given key (#343) (afb98be), closes #160
Added and improved errors and warnings in the table transformers (#372) (544e307), closes #152
added crop() method in image and tests (#365) (eba8163)
added invert_colors method (#367) (1e4d110)
adjust brightness and contrast of image (#368) (1752feb), closes #289 #291
blur Image method (#363) (c642176)
check that methods of table can handle an empty table (#314) (686c2e7), closes #123
convert image to grayscale (#366) (1312fe7), closes #287
enhance replace_column to accept a list of new columns (#312) (d50c5b5), closes #301
Explicitly throw UnknownColumnNameError in TaggedTable._from_table (#334) (498999f), closes #333
flip images / eq method for image (#360) (54f4ae1), closes #280
improve table.summary. Catch ValueError thrown by column.stability (#390) (dbbe0e3), closes #320
improve error handling of column.stability when given a column that contains only None (#388) (1da2499), closes #319
Improve Error Handling of classifiers and regressors (#355) (66f5f64), closes #153
properties for width-height of image (#359) (d9ebdc1), closes #290
Resize image (#354) (3a971ca), closes #283
rotate_left and rotate_right added to Image (#361) (c877530), closes #281
set kernel of support vector machine (#350) (1326f40), closes #172
sharpen image (#364) (3444700), closes #286

Bug Fixes¶

Keeping no columns with Table.keep_only_columns results in an empty Table with a row count above 0 (#386) (15dab06), closes #318
remove default value of positive_class parameter of classifier metrics (#382) (58fc09e)
remove default value of radius parameter of blur (#378) (7f07f29)

0.13.0 (2023-06-01)¶

Features¶

add Choice class for possible values of hyperparameter (#325) (d511c3e), closes #264
Add RangeScaler transformer (#310) (f687840), closes #141
Add methods that tell which columns would be affected by a transformer (#304) (3933b45), closes #190
Getters for hyperparameters of Regression and Classification models (#306) (5c7a662), closes #260
improve error handling of table (#308) (ef87cc4), closes #147
Remove warnings thrown in new Transformer methods (#324) (ca046c4), closes #323

0.12.0 (2023-05-11)¶

Features¶

add learning_rate to AdaBoost classifier and regressor. (#251) (7f74440), closes #167
add alpha parameter to lasso_regression (#232) (b5050b9), closes #163
add parameter lasso_ratio to ElasticNetRegression (#237) (4a1a736), closes #166
Add parameter number_of_tree to RandomForest classifier and regressor (#230) (414336a), closes #161
Added Table.plot_boxplots to plot a boxplot for each numerical column in the table (#254) (0203a0c), closes #156 #239
Added Table.plot_histograms to plot a histogram for each column in the table (#252) (e27d410), closes #157
Added Table.transform_table method which returns the transformed Table (#229) (0a9ce72), closes #110
Added alpha parameter to RidgeRegression (#231) (1ddc948), closes #164
Added Column#transform (#270) (40fb756), closes #255
Added method Table.inverse_transform_table which returns the original table (#227) (846bf23), closes #111
Added parameter c to SupportVectorMachines (#267) (a88eb8b), closes #169
Added parameter maximum_number_of_learner and learner to AdaBoost (#269) (bb5a07e), closes #171 #173
Added parameter number_of_trees to GradientBoosting (#268) (766f2ff), closes #170
Allow arguments of type pathlib.Path for file I/O methods (#228) (2b58c82), closes #146
convert Schema to dict and format it nicely in a notebook (#244) (ad1cac5), closes #151
Convert between Excel file and Table (#233) (0d7a998), closes #138 #139
convert containers for tabular data to HTML (#243) (683c279), closes #140
make Column a subclass of Sequence (#245) (a35b943)
mark optional hyperparameters as keyword only (#296) (44a41eb), closes #278
move exceptions back to common package (#295) (a91172c), closes #177 #262
precision metric for classification (#272) (5adadad), closes #185
Raise error if an untagged table is used instead of a TaggedTable (#234) (8eea3dd), closes #192
recall and F1-score metrics for classification (#277) (2cf93cc), closes #187 #186
replace prefix n with number_of (#250) (f4f44a6), closes #171
set alpha parameter for regularization of ElasticNetRegression (#238) (e642d1d), closes #165
Set column_names in fit methods of table transformers to be required (#225) (2856296), closes #179
set learning rate of Gradient Boosting models (#253) (9ffaf55), closes #168
Support vector machine for regression and for classification (#236) (7f6c3bd), closes #154
usable constructor for Table (#294) (56a1fc4), closes #266
usable constructor for TaggedTable (#299) (01c3ad9), closes #293

Bug Fixes¶

OneHotEncoder no longer creates duplicate column names (#271) (f604666), closes #201
selectively ignore one warning instead of all warnings (#235) (3aad07d)

0.11.0 (2023-04-21)¶

Features¶

OneHotEncoder.inverse_transform now maintains the column order from the original table (#195) (3ec0041), closes #109
add plot_ prefix back to plotting methods (#212) (e50c3b0), closes #211
adjust Column, Schema and Table to changes in Row (#216) (ca3eebb)
back Row by a polars.DataFrame (#214) (62ca34d), closes #196 #149
clean up Row class (#215) (b12fc68)
convert between Row and dict (#206) (e98b653), closes #204
convert between a dict and a Table (#198) (2a5089e), closes #197
create column types for polars data types (#208) (e18b362), closes #196
dataframe interchange protocol (#200) (bea976a), closes #199
move existing ML solutions into safeds.ml.classical package (#213) (655f07f), closes #210

Bug Fixes¶

table.keep_only_columns now maps column names to correct data (#194) (459ab75), closes #115
typo in type hint (#184) (e79727d), closes #180

0.10.0 (2023-04-13)¶

Features¶

move exceptions into subpackages (#177) (10b17fd)

0.9.0 (2023-04-04)¶

Features¶

container for images (#159) (ed7ae34), closes #158
improve error handling for predict (#145) (a5ff11c), closes #9
move ImputerStrategy to safeds.data.tabular.typing (#174) (205c8e2)
rename n_neighbors to number_of_neighbors (#162) (526b96e)

Bug Fixes¶

export TableTransformer and InvertibleTableTransformer (#135) (81c3695)

0.8.0 (2023-03-31)¶

Features¶

create empty Table without schema (#128) (ddd3f59), closes #127
improve ColumnTypes (#132) (1786a87), closes #113
infer schema of row if not passed explicitly (#134) (c5869bb), closes #15
new method is_fitted to check whether a model is fitted (#130) (8e1c3ea)
new method is_fitted to check whether a transformer is fitted (#131) (e20954f)
rename drop_XY methods of Table to remove_XY (#122) (98d76a4)
rename fit_transform to fit_and_transform (#119) (76a7112), closes #112
rename shuffle to shuffle_rows (#125) (ea21928)
rename slice to slice_rows (#126) (20d21c2)
rename TableSchema to Schema (#133) (1419d25)

0.7.0 (2023-03-29)¶

Features¶

sort_rows of a Table (#104) (20aaf5e), closes #14
add _file suffix to methods interacting with files (#103) (ec011e4)
improve transformers for tabular data (#108) (b18a06d), closes #61 #90
remove OrdinalEncoder (#107) (b92bba5), closes #61
specify features and target when creating a TaggedTable (#114) (95e1fc7), closes #27
swap name and data parameters of Column (#105) (c2f8da5)

0.6.0 (2023-03-27)¶

Features¶

allow calling correlation_heatmap with non-numerical columns (#92) (b960214), closes #89
function to drop columns with non-numerical values from Table (#96) (8f14d65), closes #13
function to drop columns/rows with missing values (#97) (05d771c), closes #10
remove list_columns_with_XY methods from Table (#100) (a0c56ad), closes #94
rename keep_columns to keep_only_columns (#99) (de42169)
rename remove_outliers to drop_rows_with_outliers (#95) (7bad2e3), closes #93
return new model when calling fit (#91) (165c97c), closes #69

Bug Fixes¶

handling of missing values when dropping rows with outliers (#101) (0a5e853), closes #7

0.5.0 (2023-03-26)¶

Features¶

move plotting methods into Column and Table classes (#88) (5ec6189), closes #62

0.4.0 (2023-03-26)¶

Features¶

better names for properties of TaggedTable (#74) (fee398b)
change the name of a Column (#76) (ec539eb)
metrics as methods of models (#77) (bc63693), closes #64
optionally pass type to column (#79) (64aa429), closes #78
remove target_name parameter of predict (#70) (b513454)
rename tagged_table parameter of fit to training_set (#71) (8655521)
return TaggedTable from predict (#73) (5d5f5a6)

0.3.0 (2023-03-24)¶

Features¶

make Column and Row iterable (#55) (74eea1f), closes #47

Bug Fixes¶

"UserWarning: X has feature names" when predicting (#53) (74b0753), closes #51