Jenis Data dan Sumber Data


🟒 1. Pengantar Jenis Data dan Sumber Data

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πŸ“Œ Apa Itu Jenis Data?

Jenis data adalah klasifikasi atau kategori data berdasarkan bentuk, karakteristik, struktur, dan cara pengolahannya.

Dalam Data Mining, memahami jenis data sangat penting karena:

  • menentukan metode analisis,
  • menentukan algoritma yang digunakan,
  • mempengaruhi proses preprocessing,
  • dan mempengaruhi kualitas hasil analisis.

πŸ“Œ Apa Itu Sumber Data?

Sumber data adalah asal atau tempat diperolehnya data yang akan digunakan dalam proses Data Mining.

Data dapat berasal dari:

  • database,
  • website,
  • media sosial,
  • sensor IoT,
  • aplikasi mobile,
  • transaksi bisnis,
  • cloud computing,
  • dan berbagai sistem informasi lainnya.

🟒 2. Pentingnya Memahami Jenis Data

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6 <div style=”background:#eff6ff;padding:20px;border-radius:12px;border-left:5px solid #2563eb;”>

🎯 Mengapa Jenis Data Penting?

  • Menentukan teknik analisis
  • Menentukan algoritma Data Mining
  • Mempermudah preprocessing
  • Meningkatkan akurasi model
  • Mempermudah visualisasi data
  • Mengurangi kesalahan analisis

</div>


🟒 3. Klasifikasi Jenis Data

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πŸ“Š Diagram Jenis Data

DATA
β”œβ”€β”€ Structured Data
β”œβ”€β”€ Semi-Structured Data
└── Unstructured Data

🟒 4. Structured Data

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πŸ“Œ Pengertian Structured Data

Structured Data adalah data yang memiliki format terstruktur dan tersimpan dalam tabel atau database relasional.

Data jenis ini:

  • mudah dicari,
  • mudah dianalisis,
  • mudah diproses oleh sistem komputer.

πŸ“Š Contoh Structured Data

NIMNamaNilai
101Andi90
102Budi85
103Citra95

🎯 Karakteristik Structured Data

KarakteristikPenjelasan
Memiliki schemaStruktur jelas
Tersusun dalam tabelRow dan column
Mudah di-queryMenggunakan SQL
KonsistenFormat data stabil

πŸ“Œ Contoh Penggunaan

  • Sistem akademik
  • Data transaksi bank
  • Database pelanggan
  • Sistem inventori
  • Data penjualan

🟒 5. Semi-Structured Data

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πŸ“Œ Pengertian Semi-Structured Data

Semi-Structured Data adalah data yang tidak sepenuhnya berbentuk tabel tetapi masih memiliki struktur tertentu.


πŸ“Š Contoh Semi-Structured Data

JSON

{
"nama": "Andi",
"nilai": 90
}

XML

<mahasiswa>
<nama>Andi</nama>
<nilai>90</nilai>
</mahasiswa>

🎯 Karakteristik Semi-Structured Data

KarakteristikPenjelasan
FleksibelStruktur dapat berubah
Memiliki tagXML/JSON
Mudah pertukaran dataAPI dan web service
Tidak selalu berbentuk tabelLebih dinamis

πŸ“Œ Contoh Penggunaan

  • API web
  • Data aplikasi mobile
  • Data cloud
  • Web service
  • Konfigurasi sistem

🟒 6. Unstructured Data

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πŸ“Œ Pengertian Unstructured Data

Unstructured Data adalah data yang tidak memiliki format atau struktur tetap.

Jenis data ini paling banyak ditemukan di internet.


πŸ“Š Contoh Unstructured Data

  • Foto
  • Video
  • Audio
  • Komentar media sosial
  • Email
  • Dokumen PDF
  • Chat WhatsApp

🎯 Karakteristik Unstructured Data

KarakteristikPenjelasan
Tidak memiliki schemaTidak terstruktur
KompleksSulit dianalisis
Volume besarSangat banyak
Beragam formatMultimedia

πŸ“Œ Contoh Penggunaan

  • Analisis sentimen media sosial
  • Face recognition
  • Speech recognition
  • Video analytics

🟒 7. Jenis Data Berdasarkan Nilai

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πŸ“Š Jenis Data Berdasarkan Nilai

DATA
β”œβ”€β”€ Numerik
└── Kategorikal

🟒 8. Data Numerik

πŸ“Œ Pengertian

Data numerik adalah data berbentuk angka yang dapat dihitung secara matematis.


πŸ“Š Contoh

NamaUmur
Andi20
Budi22

🎯 Jenis Data Numerik

JenisContoh
Integer1, 2, 3
Float3.14, 9.5
ContinuousTinggi badan
DiscreteJumlah mahasiswa

🟒 9. Data Kategorikal

πŸ“Œ Pengertian

Data kategorikal adalah data berbentuk kategori atau label.


πŸ“Š Contoh

NamaGender
AndiLaki-Laki
CitraPerempuan

🎯 Jenis Data Kategorikal

JenisPenjelasan
NominalTidak memiliki urutan
OrdinalMemiliki tingkatan

πŸ“Œ Contoh

Nominal

  • Warna
  • Jenis kelamin

Ordinal

  • Ranking
  • Tingkat pendidikan

🟒 10. Sumber Data dalam Data Mining

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πŸ“‚ Jenis Sumber Data

Sumber DataContoh
DatabaseMySQL, PostgreSQL
Data WarehouseBigQuery
WebsiteE-commerce
Media SosialTwitter, Instagram
Sensor IoTSmart devices
Cloud StorageGoogle Drive
Mobile AppsAplikasi Android

🟒 11. Database sebagai Sumber Data

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πŸ“Œ Pengertian Database

Database adalah kumpulan data terorganisir yang disimpan secara sistematis.


πŸ“Š Jenis Database

DatabaseFungsi
MySQLWeb database
PostgreSQLEnterprise database
MongoDBNoSQL database
OracleSistem enterprise
SQL ServerMicrosoft database

🟒 12. Media Sosial sebagai Sumber Data

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πŸ“Œ Data Media Sosial

Media sosial menghasilkan data sangat besar setiap hari.


πŸ“Š Jenis Data Media Sosial

  • Komentar
  • Like
  • Share
  • Hashtag
  • Video
  • Foto

πŸ“Œ Penerapan

  • Sentiment analysis
  • Trend analysis
  • Customer behavior analysis

🟒 13. IoT sebagai Sumber Data

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πŸ“Œ Pengertian IoT

Internet of Things (IoT) adalah perangkat yang saling terhubung melalui internet dan menghasilkan data secara otomatis.


πŸ“Š Contoh Data IoT

PerangkatData
SmartwatchDetak jantung
CCTVVideo
GPSLokasi
Sensor suhuTemperatur

🟒 14. Big Data sebagai Sumber Data

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πŸ“Œ Karakteristik Big Data

KarakteristikPenjelasan
VolumeData sangat besar
VelocityData sangat cepat
VarietyJenis data beragam
VeracityValiditas data
ValueNilai informasi

🟒 15. Tantangan Pengelolaan Data

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https://images.openai.com/static-rsc-4/TNWDmfgi1QSSbvOsub3W_1yv5XOPkpQfgpga0gj1SpAX3oRhy3AQaJSyjV2u3SNYuLJJxJ5GwcKz66vjACT7QzWu0XS3AdPPTOGakk8V-m70VvOqCyiP2JYFT-bdoPH3qfAckbE3c-XeMiO1fvCQ9WO-0rZJL_ttQh3P-r43cQcgcUIUVImdihVpRqp5M93P?purpose=fullsize
https://images.openai.com/static-rsc-4/_i0YeDj5nkFFWofJ0WrFnVJppGopuvQXkow4hVV8djeB7zTiLg25ApxS35L_voXB1YAE7hGsjDxp7HUXS2mmP7AZHryxZIk87MzQEYA2ueDJe1BI2X_6O7myOProNtI0FfUqPFbUe0ZLyShM2OX2EtOLxgk671_UUNiAaALqPBp6kJ5OaFgs2nFivOuwQQMH?purpose=fullsize

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TantanganPenjelasan
Data KotorData tidak valid
Missing ValueData kosong
Data BesarSulit diproses
PrivasiRisiko kebocoran data
IntegrasiData berbeda format

🟒 16. Tutorial Sederhana Identifikasi Jenis Data

https://images.openai.com/static-rsc-4/ZTktYZRPGKNGyCy4PyaTsZut1mGztIprvwSDSMenDUn4Itgdnhqx2cn-u5WmMByvTKwoI47Lm7FxcyDsv8de0KoNCt2cKHggZaI4ZNJ8IgLlgR33Kyulirsv-h8immscmMzl3vcmXkjDtvQSWhIsPslft06qV78iIYPnMr7Iik_bcLnggHwius9FmpH2Xj9l?purpose=fullsize
https://images.openai.com/static-rsc-4/ECYIVr55yZAg60_KuBLm4LCgvKqyPy8nUj32olv8noXoKISbmcyN5c9J631XS3TYSPXwGgEl3CI8eCWNAwSdILvm0qHHAOAC-nYocMuJ8GtM5QxjMBa3jrcAy7Kw4aNIM2jES1XcuvTZcWDdL4qbSnAD7kMdL4Wc-HmSnho9svYrXnjxgL2v6EWaM6MVdSlm?purpose=fullsize
https://images.openai.com/static-rsc-4/m03sFuhi-4xcvBO9xIdGoyAdUcWHp4lhODuWOICGEsn1r2X4HXICXhJ3RH3liXFX0462fm4gwNviD0X7X7JxmbOPHj0Ce0Me2rCo4QLjbAoJChLQpZ7YbnPNj-MAXqiDwgovFrIRCNCawNKMmJIRh4L66MvWIkEAddzq74l9S3nRHrne-ZYatIzZsml0J42w?purpose=fullsize

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πŸ“₯ Langkah 1 β€” Membuka Dataset

  1. Buka file CSV atau Excel
  2. Perhatikan isi kolom dataset

πŸ“Š Langkah 2 β€” Identifikasi Jenis Data

KolomJenis Data
NamaKategorikal
UmurNumerik
GenderKategorikal
NilaiNumerik

βš™οΈ Langkah 3 β€” Menentukan Teknik Analisis

Jenis DataTeknik
NumerikStatistik
KategorikalClassification
TeksText Mining
GambarComputer Vision

🟒 17. Studi Kasus

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https://images.openai.com/static-rsc-4/4OVAwIwzMNGzzHpQrjZjMTECWQzKWHDgoM0TMFAatKhKtrvd-UyiQDmezMHKJtldlugQnLtH-xPPQGLiRiLmQ7__VfxuVnm7bGx2o1QgikrOg9kUwkNAXjWTyxvoL_MJIB1oaL5me5gXP0lqfCeDTil1QPuGAHTNVN02Bgjreo_yvsfo7RbqH2gTzLtaHWtF?purpose=fullsize
https://images.openai.com/static-rsc-4/wJSToLlTLo9Yd90LE5MjO7csGhsi3pbXOHPfhm47pzsFgTMgTYFS_rEqbs7UJvkjVqSuGvT0vUmTzy3esEVLZQQrEdn2l_xzp-ikg7Cqoajuzmy3rPSrnF_bvbpwWyT8E6fvfTsMVKpAKEk8u5fXfp5tVzXiykgClW7wy7Av1iPylkbB2f2GR8hjz1jYFpGQ?purpose=fullsize

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πŸŽ“ Kasus Analisis Mahasiswa

Dataset:

  • Nama mahasiswa
  • Nilai
  • Kehadiran
  • Aktivitas LMS

πŸ“Œ Jenis Data

DataJenis
NamaKategorikal
NilaiNumerik
KehadiranNumerik
Komentar LMSTeks

πŸ“ˆ Hasil Analisis

  • Prediksi kelulusan
  • Analisis performa mahasiswa
  • Identifikasi mahasiswa berisiko

🟒 18. Kesimpulan

https://images.openai.com/static-rsc-4/a5SJZPH5nk1VyOhjgyq9Y0tHBx6ZmPKujtBQ5r6C0qSpSQ5ZptRbXp21pnaUrxYaYUPr8q8nlXWasZlB_7M6eouJfOBRET0YawyC8xyKINy1a_MZ9pSRja-m5YA4D7jBp6_uA-nkTIYqAHt1T0xLyarMEAWObDBaSiQGOCd7GFO3Zu314r9xhLPyoMY8fKnH?purpose=fullsize
https://images.openai.com/static-rsc-4/zkFizVb92RSdpIyLA3meDhzmlJJknPf4x9KAhn4jgu5bTlMWe3qqQQKIoJX-s7Firu6-F7S4ZzjnFwQFeV7qzjmlupWXs35fyrZYyZjj_jDE_2XbENKQ3iNlSq5r-3krRu5K7KGIvlCmYQqenUqBiCKM2cMwUr-CTRt8uBlGXC-U-g3uJBClPUZFDxQ8ME1q?purpose=fullsize
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5 <div style=”background:#111827;color:white;padding:25px;border-radius:14px;”>

✨ Ringkasan Materi

Jenis data dan sumber data merupakan dasar penting dalam Data Mining.

Mahasiswa perlu memahami:

  • jenis data,
  • struktur data,
  • sumber data,
  • dan karakteristik data,

agar dapat menentukan metode analisis yang tepat dan menghasilkan model Data Mining yang akurat. </div>