## Features selection for determining House Prices ?

Home values are influenced by many factors. Basically, there are two major aspects: The environmental information, including location, local economy, school district, air quality, etc. The characteristics information of the property, such as lot size, house size and age, the number of rooms, heating / AC systems, garage, and so on. When people consider buying […]

## Visualisation of House Prices

Visualisation is the presentation of data in a pictorial or graphical format. It enables decision makers to see analytics presented visually, so they can grasp difficult concepts or identify new patterns. This visualisation of house prices is for the Kaggle dataset. With 79 explanatory variables describing (almost) every aspect of residential homes in Ames, Iowa, […]

## 4 different ways to predict survival on Titanic – part 4

continued from part 3 4. Way to predict survival on Titianic These notes are taken from this link In [2]: import matplotlib.pyplot as plt %matplotlib inline import numpy as np import pandas as pd import statsmodels.api as sm from statsmodels.nonparametric.kde import KDEUnivariate from statsmodels.nonparametric import smoothers_lowess from pandas import Series, DataFrame from patsy import dmatrices from […]

## 4 different ways to predict survival on Titanic – part 3

continued from part 2 3. Way to predict survival on Titianic These notes are from this link I – Exploratory data analysis We tweak the style of this notebook a little bit to have centered plots. In [1]: from IPython.core.display import HTML HTML(“”” <style> .output_png { display: table-cell; text-align: center; vertical-align: middle; } </style> “””) Out[1]: […]

## 4 different ways to predict survival on Titanic – part 1

These are my notes from various blogs to find different ways to predict survival on Titanic using Python-stack. I am interested to compare how different people have attempted the kaggle competition. I am going to compare and contrast different analysis to find similarity and difference in approaches to predict survival on Titanic. This Notebook will […]

## 4 different ways to predict survival on Titanic – part 2

continued from part 1 Classification KNeighborsClassifier In [16]: from sklearn.neighbors import KNeighborsClassifi alg_ngbh = KNeighborsClassifier(n_neighbors=3) scores = cross_validation.cross_val_score(alg_ngbh, train_data_scaled, train_data_munged[“Survived”], cv=cv, n_jobs=-1) print(“Accuracy (k-neighbors): {}/{}”.format(scores.mean(), scores.std())) Accuracy (k-neighbors): 0.7957351290684623/0.011110544261068086 SGDClassifier In [17]: from sklearn.linear_model.stochastic_gradient import SGDClassifier alg_sgd = SGDClassifier(random_state=1) scores = cross_validation.cross_val_score(alg_sgd, train_data_scaled, train_data_munged[“Survived”], cv=cv, n_jobs=-1) print(“Accuracy (sgd): {}/{}”.format(scores.mean(), scores.std())) Accuracy (sgd): 0.7239057239057239/0.015306601231185043 SVC In [18]: from sklearn.svm […]