6.2.1 Matrix Darstellung auf LaTeX umgestellt
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Safak
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" r\"./Sherlock_card.txt\"]"
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"vectorizer = CountVectorizer(input=\"filename\")"
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@@ -9028,17 +9028,23 @@
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"Es werden über alle Dokumente hinweg alle einzigartigen Features, in diesem Fall die unterschiedlichen Wörter gezählt. Dies gibt uns die `bag_of_words`.\n",
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"\n",
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"Der Aufbau der Matrix ist wie folgt\n",
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"```\n",
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" -> axis 1\n",
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"V - axis 0 - V\n",
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"\n",
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"| | Wort1 | Wort2 | Wort3 | ... |\n",
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"|------|-------|-------|-------|-----|\n",
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"| Dok1 | | | | |\n",
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"| Dok2 | | | | |\n",
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"| ... | | | | |\n",
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"```\n",
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"\n",
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"$$\n",
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"\\begin{array}{cc}\n",
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" % Obere Zeile: Leerecke links, Pfeil für Axis 1 rechts\n",
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" & \\xrightarrow{\\hspace{1cm} \\text{axis 1 (Wörter)} \\hspace{1cm}} \\\\\n",
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" % Untere Zeile: Pfeil für Axis 0 links, Matrix rechts\n",
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" \\begin{array}{c} \\text{axis 0} \\\\ \\text{(Docs)} \\\\ \\downarrow \\end{array} &\n",
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" \\begin{array}{|c|cccc|}\n",
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" \\hline\n",
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" & \\text{Wort}_1 & \\text{Wort}_2 & \\text{Wort}_3 & \\dots \\\\\n",
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" \\hline\n",
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" \\text{Dok}_1 & n_{1,1} & n_{1,2} & n_{1,3} & \\dots \\\\\n",
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" \\text{Dok}_2 & n_{2,1} & n_{2,2} & n_{2,3} & \\dots \\\\\n",
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" \\vdots & \\vdots & \\vdots & \\vdots & \\ddots \\\\\n",
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" \\hline\n",
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" \\end{array}\n",
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"\\end{array}\n",
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"$$\n",
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"#### Gesamtzahl der (einzigartigen) Wörter\n",
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"Die Anzahl der Spalten gibt uns die Anzahl der Wörter über alle Texte hinweg, da jede Spalte ein Wort darstellt, d.h. ein Wort wird nicht doppelt gelistet werden.\n",
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"So erhalten wir eine Anzahl von **8879** Wörtern, die in den Texten vorkommen.\n",
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