<commit_before>package com.github.lwhite1.tablesaw.table;

import com.github.lwhite1.tablesaw.api.Table;
import com.github.lwhite1.tablesaw.columns.Column;
import com.github.lwhite1.tablesaw.filtering.Filter;
import org.roaringbitmap.RoaringBitmap;

/**
 *<commit_msg>added class comment to Projection<commit_after>package com.github.lwhite1.tablesaw.table;

import com.github.lwhite1.tablesaw.api.Table;
import com.github.lwhite1.tablesaw.columns.Column;
import com.github.lwhite1.tablesaw.filtering.Filter;
import org.roaringbitmap.RoaringBitmap;

/**
 * A table projection, i.e. the subset of columns in a table that should be returned in a query
{'fraction_non_alphanumeric': 0.10631741140215717, 'fraction_numerical': 0.012326656394453005, 'mean_word_length': 5.701030927835052, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '677645', 'n_tokens_mistral': 212, 'n_tokens_neox': 213, 'n_words': 42}