OpenML
jasmine_seed_1_nrows_2000_nclasses_10_ncols_100_stratify_True

jasmine_seed_1_nrows_2000_nclasses_10_ncols_100_stratify_True

active ARFF Publicly available Visibility: public Uploaded 17-11-2022 by Eddie Bergman
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Subsampling of the dataset jasmine (41143) with seed=1 args.nrows=2000 args.ncols=100 args.nclasses=10 args.no_stratify=True Generated with the following source code: ```python def subsample( self, seed: int, nrows_max: int = 2_000, ncols_max: int = 100, nclasses_max: int = 10, stratified: bool = True, ) -> Dataset: rng = np.random.default_rng(seed) x = self.x y = self.y # Uniformly sample classes = y.unique() if len(classes) > nclasses_max: vcs = y.value_counts() selected_classes = rng.choice( classes, size=nclasses_max, replace=False, p=vcs / sum(vcs), ) # Select the indices where one of these classes is present idxs = y.index[y.isin(classes)] x = x.iloc[idxs] y = y.iloc[idxs] # Uniformly sample columns if required if len(x.columns) > ncols_max: columns_idxs = rng.choice( list(range(len(x.columns))), size=ncols_max, replace=False ) sorted_column_idxs = sorted(columns_idxs) selected_columns = list(x.columns[sorted_column_idxs]) x = x[selected_columns] else: sorted_column_idxs = list(range(len(x.columns))) if len(x) > nrows_max: # Stratify accordingly target_name = y.name data = pd.concat((x, y), axis="columns") _, subset = train_test_split( data, test_size=nrows_max, stratify=data[target_name], shuffle=True, random_state=seed, ) x = subset.drop(target_name, axis="columns") y = subset[target_name] # We need to convert categorical columns to string for openml categorical_mask = [self.categorical_mask[i] for i in sorted_column_idxs] columns = list(x.columns) return Dataset( # Technically this is not the same but it's where it was derived from dataset=self.dataset, x=x, y=y, categorical_mask=categorical_mask, columns=columns, ) ```

101 features

class (target)nominal2 unique values
0 missing
V2nominal2 unique values
0 missing
V5nominal2 unique values
0 missing
V6nominal2 unique values
0 missing
V8nominal2 unique values
0 missing
V9nominal2 unique values
0 missing
V10nominal2 unique values
0 missing
V11nominal2 unique values
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V13numeric108 unique values
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V14nominal2 unique values
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V16nominal2 unique values
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V17nominal2 unique values
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V22nominal2 unique values
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V23numeric98 unique values
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V24nominal2 unique values
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V40nominal2 unique values
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V42nominal2 unique values
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V44nominal2 unique values
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V45numeric14 unique values
0 missing
V46nominal2 unique values
0 missing
V47nominal2 unique values
0 missing
V48nominal2 unique values
0 missing
V49nominal2 unique values
0 missing
V50nominal2 unique values
0 missing
V51nominal2 unique values
0 missing
V54nominal2 unique values
0 missing
V55nominal2 unique values
0 missing
V56numeric1149 unique values
0 missing
V57nominal2 unique values
0 missing
V58nominal2 unique values
0 missing
V59numeric119 unique values
0 missing
V64nominal2 unique values
0 missing
V65nominal2 unique values
0 missing
V66nominal2 unique values
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V67nominal2 unique values
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V69nominal2 unique values
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V70nominal2 unique values
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V71nominal2 unique values
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V72nominal2 unique values
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V74nominal2 unique values
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V75nominal2 unique values
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V76nominal2 unique values
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0 missing
V80nominal2 unique values
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V81nominal2 unique values
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V82nominal2 unique values
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V83nominal2 unique values
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V84nominal2 unique values
0 missing
V85nominal2 unique values
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V86nominal2 unique values
0 missing
V87nominal2 unique values
0 missing
V88nominal2 unique values
0 missing
V89nominal2 unique values
0 missing
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0 missing
V92nominal2 unique values
0 missing
V93nominal2 unique values
0 missing
V94nominal2 unique values
0 missing
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0 missing
V98nominal2 unique values
0 missing
V99nominal2 unique values
0 missing
V101nominal2 unique values
0 missing
V102nominal2 unique values
0 missing
V104nominal2 unique values
0 missing
V105nominal2 unique values
0 missing
V106nominal2 unique values
0 missing
V107nominal2 unique values
0 missing
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V112nominal2 unique values
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0 missing
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V128nominal2 unique values
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V131numeric105 unique values
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0 missing
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0 missing
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0 missing
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0 missing
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V139nominal2 unique values
0 missing
V140nominal2 unique values
0 missing
V141nominal2 unique values
0 missing
V142nominal2 unique values
0 missing
V143nominal2 unique values
0 missing

19 properties

2000
Number of instances (rows) of the dataset.
101
Number of attributes (columns) of the dataset.
2
Number of distinct values of the target attribute (if it is nominal).
0
Number of missing values in the dataset.
0
Number of instances with at least one value missing.
6
Number of numeric attributes.
95
Number of nominal attributes.
50
Percentage of instances belonging to the most frequent class.
94.06
Percentage of nominal attributes.
1000
Number of instances belonging to the most frequent class.
50
Percentage of instances belonging to the least frequent class.
1000
Number of instances belonging to the least frequent class.
95
Number of binary attributes.
94.06
Percentage of binary attributes.
0
Percentage of instances having missing values.
0.49
Average class difference between consecutive instances.
0
Percentage of missing values.
0.05
Number of attributes divided by the number of instances.
5.94
Percentage of numeric attributes.

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