Id <TAB> ParentId <TAB> IsAccepted <TAB> TimeToAnswer <TAB> Score<TAB> Text
具体的なパース(構文解析)の詳細については、
so_xml_to_tsv.py
と
choose_instance.py
を参照してください。ここでは処理を高速に行うために、データを二つのファイルに分けています。
meta.json
には、文書の
Id
を他のデータに対応づけるためのディクショナリ
†
が格納されおり(
Text
は除きます)、簡単な記述で各要素にアクセスできます。たとえば、文書のスコアは、
meta[Id]
['Score']
という記述でアクセスできます。
data.tsv
には、
Id
と
Text
が格納されており、次の関
数で中身を取得することができます。
def fetch_posts():
for line in open("data.tsv", "r"):
post_id, text = line.split("\t")
yield int(post_id), text.strip()
5.3.3
良い回答を定義する
回答の良し悪しを見分けるように分類器を訓練する必要がありますが、その前にやるべきことがあり
ます。それは訓練用のデータを作成することです。今までのところ、一塊のデータがあるだけです。
そのため、データに対して ...
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