Relating to Competitions, Datasets, Kernels, Learn, or Kaggle's API.
Relating to the following Kaggle data science categories:
Questions tagged [kaggle]
1115 questions
-1
votes
1 answer
Random Forest Regression not give 0 or 1
I'm currently using RandomForestRegression for Titanic(Kaggle).
%%timeit
model = RandomForestRegressor(n_estimators=200, oob_score=False,n_jobs=1,random_state=42)
model.fit(X,y)
#y_oob = model.oob_prediction_
#print("c-stat:",…
user10733243
-1
votes
3 answers
Solving Kaggle's Titanic Machine Learning
I'm trying to solving Kaggle's Titanic with Python.
But I have an error trying to fit my data.
This is my code:
import pandas as pd
from sklearn import linear_model
def clean_data(data):
data["Fare"] =…
-1
votes
2 answers
Kaggle airbus ship detection challenge.How to deal with class imbalance?
My model always predict under probability 0.5 for all pixels.
I dropped all images without ships and have tried focal loss,iou loss,weighted loss to deal with imbalance .
But the result is same.After few batches the masks i predicted gradually…
abracadabra
- 371
- 2
- 16
-1
votes
1 answer
How to upload large image datasets from kaggle to google colab?
I wanted to work on a image dataset. I dont have local GPU, so i wanted to make use of free GPU on Google colab. But i don't know how to upload a large image dataset to colab.
abdkumar
- 142
- 1
- 2
- 10
-1
votes
1 answer
kaggle cli installation error
After installing kaggle, when I am passing kaggle command to command window it is throwing this error.
Successfully installed kaggle-1.4.6 You are using pip version 10.0.1,
however version 18.0 is available. You should consider upgrading via
…
VIKRANT KUMAR SINGH
- 49
- 1
- 6
-1
votes
1 answer
How to use the test data against the trained model?
I'm a beginner in Machine Learning and I'm going through the Titanic competition. At first, my model gave me an accuracy of 1.0, which was too good to be true. Then I realized that I am comparing my trained model with the training data that I've…
Onur-Andros Ozbek
- 2,998
- 2
- 29
- 78
-1
votes
1 answer
download error Diabetic Retinopathy dataset from Kaggle
I was starting new project of Diabetic retinopathy but now it shows error in dataset download. Though it gets downloaded, unzipping results error. This consist of 5 training dataset consisting more than 8 GB each. I am in huge trouble. How can i…
Ashwin Dhakal
- 31
- 1
- 5
-1
votes
2 answers
Trying to work out a python code
I am new to Machine Learning and python. Recently i have been working with Amazon fine food review data from kaggle and its code.
What i don't understand is how is the 'partiton' method used here ?
Moreover, What actually does last 3 lines of code…
Akash Dubey
- 1
- 5
-1
votes
1 answer
How to extract and format the string in a python data-frame
I am new in Python and I would like to extract a certain kind of string data from my data frame. Here is my data frame:
I want to extract the first letter in the cabin column(like A,B,C,D...) and add it as a new feature column named as…
Jize Cao
- 1
-1
votes
1 answer
pandas str.extractall on complete words
I have a column of tweets. I want to get a list of all mentions inside the tweet using the regex:
\@(\w+)
I tried using df.Tweets.str.extractall('\@(\w+)') but it doesn't succeed with matching the entire word as it wants (my guess) to separate each…
DeanLa
- 1,871
- 3
- 21
- 37
-1
votes
1 answer
unexpected line continuation character
i am learning how to do data science and was following the kaggle tutorial for titanic.
However,
women_only_stats = data[ \ #Which element
(data[0::,4] == "female") \ #is a female
…
aceminer
- 4,089
- 9
- 56
- 104
-1
votes
1 answer
Text preprocessing in Python
I would like to build a text corpus for a NLP project in Python. I've seen this text format in the LSHTC4 Kaggle challenge:
5 0:10 8:1 18:2 54:1 442:2 3784:1 5640:1 43501:1
The first number corresponds to the label.
Each set of numbers separated…
Bérengère
- 21
- 4
-2
votes
0 answers
Does Colab stops runtime if it reaches to RAM limit?
I was using Kaggle notebook for running my NN models but whenever ram usage reaches 13GB it stops the runtime and i have to start all from the beginning. The dataset is huge, almost 450gb so i don't want to shift on colab as i need to import it…
Nirob
- 29
- 5
-2
votes
1 answer
Loop is slow when adding a @tf.function inside, why?
I have a train_step function like this:
@tf.function
def train_step(timestep_values,noised_image,noise):
# calculate loss and update parameters
with tf.GradientTape() as tape:
prediction = model(noised_image, timestep_values)
…
Tikai7
- 17
- 4
-2
votes
4 answers
Understanding the functioning of 'and' and 'or'
Here's a doubt I am facing here.
The code with its purpose in docstring is below :
This is the correct code but I am confused about the final 'if statement' in the blackjack_hand_greater_than(a,b) function.
Here, the 'if statement' is not True for…
novice
- 3
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