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Classify Hurricanes And Typhoons Using Atlantic HURDAT2 and NE/NC Pacific HURDAT2 Dataset


Dataset Description:

The NHC publishes the tropical cyclone historical database in a format known as HURDAT, short for HURricane DATabase. These databases (Atlantic HURDAT2 and NE/NC Pacific HURDAT2) contain six-hourly information on the location, maximum winds, central pressure, and (starting in 2004) size of all known tropical cyclones and subtropical cyclones.


  • ID

  • Name

  • Date

  • Time

  • Event

  • Status

  • Latitude

  • Longitude

  • Maximum Wind

  • Minimum Pressure

  • Low Wind NE

  • Low Wind SE

  • Low Wind SW

  • Low Wind NW

  • Moderate Wind NE

  • Moderate Wind SE

  • Moderate Wind SW

  • Moderate Wind NW

  • High Wind NE

  • High Wind SE

  • High Wind SW

  • High Wind NW

Problem Statement

You are provided with two data sets “Pacific_train.csv” and “Pacific_test.csv” having hurricane and typhoon information.

***Note: No train-test splitting should be done as test data is already provided***

You are required to make a multi-class classification model where the target variable is “Status” to classify hurricanes and typhoons into the correct category.

Carry out the following tasks and select the appropriate features and make classification models using the following algorithms having a 10-fold cross validation score :

  1. Decision Trees ( Applying different criterion and choosing the best )

  2. Random Forest

  3. Naive Bayes

  4. SupportVectorClassfier

HINT: Use correlation to select the most appropriate features.

The features [Maximum Wind, Minimum Pressure, Low Wind NE] can be used for the model fitting

Write python functions for the following and compare the performance of algorithms used above:

  1. Recall

  2. Precision

  3. Accuracy

The Recall, Precision is to be computed for each label and algorithm pair

1. Which is the best model?

Hint: Implement all the above-mentioned models and then calculate the value of recall, precision and accuracy of each of them to finally select the best model.

NOTE: You MUST implement all the 4 models mentioned above in the question.

NOTE: You must use the training dataset to train the model and the testing dataset to check the accuracy and confusion matrix.

NOTE: Do not use any hyperparameters of any model.

Training Data:---> res/training/Pacific_train.csv

Test Data:----> res/validation/Pacific_test.csv

Final Output Sample:

NOTE: Let's say Naive Bayes Algorithm is the best algorithm for the above scenario with accuracy 0.7, then print GaussianNB(Name of Naive Bayes function in sklearn) and its respective accuracy score in a CSV file in the above-mentioned format.

Output Format:

  • Perform the above operations and write your output to a file named output.csv, which should be present at the location output/output.csv

  • output.csv should contain the answer to each question on consecutive rows.

***Note: Write the code only inside solution() function and do not pass any additional arguments. For predefined stub refer***

Note: This question will be evaluated based on the number of test cases that your code passes.


Import Libraries

import pandas as pd
import matplotlib.pyplot as plt
from sklearn import tree
from sklearn.naive_bayes import GaussianNB
from sklearn.ensemble import RandomForestClassifier
from sklearn import svm
from sklearn import preprocessing
from sklearn.model_selection import cross_val_score
from sklearn.metrics import classification_report

Read Data

df=pd.read_csv('Pacific Training dataset.csv')


df_test=pd.read_csv('Pacific Test dataset.csv')



<class 'pandas.core.frame.DataFrame'> Int64Index: 15681 entries, 0 to 15680 Data columns (total 22 columns): # Column Non-Null Count Dtype --- ------ -------------- ----- 0 ID 15681 non-null object 1 Name 15681 non-null object 2 Date 15681 non-null int64 3 Time 15681 non-null int64 4 Event 15681 non-null object 5 Status 15681 non-null object 6 Latitude 15681 non-null object 7 Longitude 15681 non-null object 8 Maximum Wind 15681 non-null int64 9 Minimum Pressure 15681 non-null int64 10 Low Wind NE 15681 non-null int64 11 Low Wind SE 15681 non-null int64 12 Low Wind SW 15681 non-null int64 13 Low Wind NW 15681 non-null int64 14 Moderate Wind NE 15681 non-null int64 15 Moderate Wind SE 15681 non-null int64 16 Moderate Wind SW 15681 non-null int64 17 Moderate Wind NW 15681 non-null int64 18 High Wind NE 15681 non-null int64 19 High Wind SE 15681 non-null int64 20 High Wind SW 15681 non-null int64 21 High Wind NW 15681 non-null int64 dtypes: int64(16), object(6) memory usage: 2.8+ MB

train = df.select_dtypes(exclude= 'object')
test = df_test.select_dtypes(exclude= 'object')
le = preprocessing.LabelEncoder()
target = le.fit_transform(df.Status)
target_test = le.fit_transform(df_test.Status)


(15681, 10455, 15681)

X= train
Y= target


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