{ "cells": [ { "cell_type": "code", "execution_count": 1, "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "Päivitetty 2023-04-30 / Aki Taanila\n" ] } ], "source": [ "from datetime import datetime\n", "print(f'Päivitetty {datetime.now().date()} / Aki Taanila')" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "# Korrelaatiokerroin ja hajontakaavio\n", "\n", "Määrällisten muuttujien välisiä riippuvuuksia selvitellään korrelaatiokertoimien ja hajontakaavioiden avulla." ] }, { "cell_type": "code", "execution_count": 2, "metadata": {}, "outputs": [], "source": [ "import pandas as pd\n", "import matplotlib.pyplot as plt\n", "import seaborn as sns\n", "\n", "# Korrelaation merkitsevyyden testaukseen\n", "from scipy.stats import pearsonr \n", "\n", "sns.set_style('whitegrid')" ] }, { "cell_type": "code", "execution_count": 3, "metadata": {}, "outputs": [ { "data": { "text/html": [ "
\n", " | nro | \n", "toimitusnopeus | \n", "hintataso | \n", "joustavuus hinnoissa | \n", "toimittajan imago | \n", "palvelu | \n", "myyntihenkilöstön imago | \n", "tuotteiden laatu | \n", "yleinen tyytyväisyys | \n", "
---|---|---|---|---|---|---|---|---|---|
0 | \n", "1 | \n", "4.1 | \n", "0.6 | \n", "6.9 | \n", "4.7 | \n", "2.4 | \n", "2.3 | \n", "5.2 | \n", "4.2 | \n", "
1 | \n", "2 | \n", "1.8 | \n", "3.0 | \n", "6.3 | \n", "6.6 | \n", "2.5 | \n", "4.0 | \n", "8.4 | \n", "4.3 | \n", "
2 | \n", "3 | \n", "3.4 | \n", "5.2 | \n", "5.7 | \n", "6.0 | \n", "4.3 | \n", "2.7 | \n", "8.2 | \n", "5.2 | \n", "
3 | \n", "4 | \n", "2.7 | \n", "1.0 | \n", "7.1 | \n", "5.9 | \n", "1.8 | \n", "2.3 | \n", "7.8 | \n", "3.9 | \n", "
4 | \n", "5 | \n", "6.0 | \n", "0.9 | \n", "9.6 | \n", "7.8 | \n", "3.4 | \n", "4.6 | \n", "4.5 | \n", "6.8 | \n", "
... | \n", "... | \n", "... | \n", "... | \n", "... | \n", "... | \n", "... | \n", "... | \n", "... | \n", "... | \n", "
95 | \n", "96 | \n", "0.6 | \n", "1.6 | \n", "6.4 | \n", "5.0 | \n", "0.7 | \n", "2.1 | \n", "8.4 | \n", "3.4 | \n", "
96 | \n", "97 | \n", "6.1 | \n", "0.5 | \n", "9.2 | \n", "4.8 | \n", "3.3 | \n", "2.8 | \n", "7.1 | \n", "5.2 | \n", "
97 | \n", "98 | \n", "2.0 | \n", "2.8 | \n", "5.2 | \n", "5.0 | \n", "2.4 | \n", "2.7 | \n", "8.4 | \n", "3.7 | \n", "
98 | \n", "99 | \n", "3.1 | \n", "2.2 | \n", "6.7 | \n", "6.8 | \n", "2.6 | \n", "2.9 | \n", "8.4 | \n", "4.3 | \n", "
99 | \n", "100 | \n", "2.5 | \n", "1.8 | \n", "9.0 | \n", "5.0 | \n", "2.2 | \n", "3.0 | \n", "6.0 | \n", "4.4 | \n", "
100 rows × 9 columns
\n", "