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128 lines
4.1 KiB
128 lines
4.1 KiB
{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"## Harga Labu\n",
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"\n",
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"Muat pustaka yang diperlukan dan dataset. Ubah data menjadi dataframe yang berisi subset data:\n",
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"\n",
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"- Hanya ambil labu yang dihargai per keranjang\n",
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"- Ubah tanggal menjadi bulan\n",
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"- Hitung harga sebagai rata-rata dari harga tertinggi dan terendah\n",
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"- Ubah harga agar mencerminkan harga berdasarkan jumlah per keranjang\n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"import pandas as pd\n",
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"import matplotlib.pyplot as plt\n",
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"import numpy as np\n",
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"from datetime import datetime\n",
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"\n",
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"pumpkins = pd.read_csv('../data/US-pumpkins.csv')\n",
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"\n",
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"pumpkins.head()\n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"pumpkins = pumpkins[pumpkins['Package'].str.contains('bushel', case=True, regex=True)]\n",
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"\n",
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"columns_to_select = ['Package', 'Variety', 'City Name', 'Low Price', 'High Price', 'Date']\n",
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"pumpkins = pumpkins.loc[:, columns_to_select]\n",
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"\n",
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"price = (pumpkins['Low Price'] + pumpkins['High Price']) / 2\n",
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"\n",
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"month = pd.DatetimeIndex(pumpkins['Date']).month\n",
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"day_of_year = pd.to_datetime(pumpkins['Date']).apply(lambda dt: (dt-datetime(dt.year,1,1)).days)\n",
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"\n",
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"new_pumpkins = pd.DataFrame(\n",
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" {'Month': month, \n",
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" 'DayOfYear' : day_of_year, \n",
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" 'Variety': pumpkins['Variety'], \n",
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" 'City': pumpkins['City Name'], \n",
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" 'Package': pumpkins['Package'], \n",
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" 'Low Price': pumpkins['Low Price'],\n",
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" 'High Price': pumpkins['High Price'], \n",
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" 'Price': price})\n",
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"\n",
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"new_pumpkins.loc[new_pumpkins['Package'].str.contains('1 1/9'), 'Price'] = price/1.1\n",
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"new_pumpkins.loc[new_pumpkins['Package'].str.contains('1/2'), 'Price'] = price*2\n",
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"\n",
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"new_pumpkins.head()\n"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"Sebuah diagram pencar dasar mengingatkan kita bahwa kita hanya memiliki data bulan dari Agustus hingga Desember. Kita mungkin memerlukan lebih banyak data untuk dapat menarik kesimpulan secara linear.\n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"import matplotlib.pyplot as plt\n",
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"plt.scatter('Month','Price',data=new_pumpkins)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"\n",
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"plt.scatter('DayOfYear','Price',data=new_pumpkins)"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"\n---\n\n**Penafian**: \nDokumen ini telah diterjemahkan menggunakan layanan penerjemahan AI [Co-op Translator](https://github.com/Azure/co-op-translator). Meskipun kami berupaya untuk memberikan hasil yang akurat, harap diperhatikan bahwa terjemahan otomatis mungkin mengandung kesalahan atau ketidakakuratan. Dokumen asli dalam bahasa aslinya harus dianggap sebagai sumber yang berwenang. Untuk informasi yang bersifat kritis, disarankan menggunakan jasa penerjemahan manusia profesional. Kami tidak bertanggung jawab atas kesalahpahaman atau penafsiran yang keliru yang timbul dari penggunaan terjemahan ini.\n"
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]
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}
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],
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