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SALARY PREDICTION
WITH
MACHINE LEARNING
BAHAR ZERENTÜRK & RABİA KOÇ
00 GİRİŞ
01 İŞİ ANLAMAK
-----
Problemin
paylaşılması
02 VERİYİ
ANLAMAK
-----
Veri seti hakkında
temel bilgi
04 ML MODELİNİ KURMAK
-----
Makine öğrenmesi modeli
ile tahmin yapılması
03 ÖZELLİK
MÜHENDİSLİĞİ
-----
Verinin ön işlemeden
geçirilmesi ve yeni
özellikler türetilmesi
01 İŞİ ANLAMAK
BU BÖLÜMDE IŞ PROBLEMI ELE
ALINMIŞTIR.
İŞ PROBLEMİ
Maaş bilgileri ve 1986 yılına ait kariyer istatistikleri paylaşılan
beyzbol oyuncularının maaş tahminleri için bir makine
öğrenmesi projesi gerçekleştirilebilir mi?
02 VERİYİ ANLAMAK
BU BÖLÜMDE VERI SETI HAKKINDA
TEMEL BILGI VERILMIŞTIR.
VERİ SETİNİN HİKAYESİ
Bu veri seti orijinal olarak Carnegie Mellon Üniversitesi'nde bulunan
StatLib
kütüphanesinden alınmıştır.
Veri seti 1988 ASA Grafik Bölümü Poster Oturumu'nda kullanılan
verilerin bir
parçasıdır.
VERİ SETİNİN HİKAYESİ
Maaş verileri orijinal olarak Sports Illustrated, 20 Nisan 1987'den
alınmıştır.
1986 ve kariyer istatistikleri, Collier Books, Macmillan Publishing
Company, New
York tarafından yayınlanan 1987 Beyzbol Ansiklopedisi
Güncellemesinden elde
edilmiştir
DEĞİŞKENLERİ TANIMA
Bu veri seti orijinal olarak Carnegie Mellon Üniversitesi'nde
bulunan StatLib
kütüphanesinden alınmıştır.
Veri seti 1988 ASA Grafik Bölümü Poster Oturumu'nda kullanılan
verilerin bir
parçasıdır.
DEĞİŞKENLERİ TANIMA
DEĞİŞKENLERİ TANIMA
DEĞİŞKENLERİ TANIMA
VERİYE İLK BAKIŞ
03 ÖZELLİK
MÜHENDİSLİĞİ
BU BÖLÜMDE VERI ÖN IŞLEMEDEN
GEÇIRILIP YENI DEĞIŞKENLER
TÜRETILMIŞTIR.
AYKIRI DEĞERLER
Aykırı değerler için alt ve üst limitler belirlenerek baskılama yöntemi
kullanılmıştır.
EKSİK DEĞERLER
Kategorik değişken kırılımında medyan değeri atamak için öncelikle
«Years» değişkeninden kategorik değişken oluşturulmuştur.
EKSİK DEĞERLER
SAYISAL DEĞİŞKENLERİN DAĞILIMI
SAYISAL DEĞİŞKENLERİN DAĞILIMI
SAYISAL DEĞİŞKENLERİN DAĞILIMI
SAYISAL DEĞİŞKENLERİN DAĞILIMI
SAYISAL DEĞİŞKENLERİN DAĞILIMI
SAYISAL DEĞİŞKENLERİN DAĞILIMI
SAYISAL DEĞİŞKENLERİN DAĞILIMI
SAYISAL DEĞİŞKENLERİN DAĞILIMI
SAYISAL DEĞİŞKENLERİN DAĞILIMI
ÖZELLİK ÇIKARIMI-1
HmRun x RBI Değişkeni:
ÖZELLİK ÇIKARIMI-1 (TEST)
ÖZELLİK ÇIKARIMI-2
Runs x Hits Değişkeni:
ÖZELLİK ÇIKARIMI-2 (TEST)
ÖZELLİK ÇIKARIMI-3
Years x Chits Değişkeni:
ÖZELLİK ÇIKARIMI-3 (TEST))
ÖZELLİK ÇIKARIMI-4)
ONE-HOT ENCODİNG
DEĞİŞKENLERİN ANALİZİ
ROBUSTSCALER
04 MAKİNE ÖĞRENMESİ
MODELİNİN KURULMASI
BU BÖLÜMDE MAKINE ÖĞRENMESI
MODELI KULLANILARAK TAHMINLEME
YAPILMIŞTIR.
MODELLİNG
League, Division ve NewLeague kategorik değişkenleri için dummy
değişkenleri oluşturuldu ve geriye kalan bağımsız değişkenlerle
birleştirildi.
MODELLİNG
MODELLİNG
MODELLİNG
Train seti için tahmin edilen değerlerle train seti için gerçek y
değerlerini kıyaslanmıştır.
MODELLİNG
Train setindeki bağımsız değişkenlerin, bağımlı değişkenin yüzde
kaçını açıklayabildiğine bakılmıştır.
MODELLİNG
Test seti için tahmin edilen değerlerle test seti için gerçek y değerlerini
kıyaslanmıştır.
MODELLİNG
Test setindeki bağımsız değişkenlerin, bağımlı değişkenin yüzde kaçını
açıklayabildiğine bakılmıştır.
MODELLİNG
10 katlı çaprazlama ile tüm veri kullanarak hata miktarı elde
edilmiştir.
TEŞEKKÜRLER!
Herhangi bir sorunuz varsa bizi bu
adreslerde bulabilirsiniz:
www.linkedin.com/in/baharzerenturk1/
www.linkedin.com/in/rabia-koç/

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SALARY PREDICTION WITH MACHINE LEARNING