Seach the website
Login
Register
Dark Mode
Brightness
Ambient Glow – Questions list
Register
Profile
Edit Profile
Messages
My favorites
My Updates
Logout
Courses
Feedback
Filter
User tofighi
Wall
Recent activity
All questions
All answers
Answers by tofighi
0
0 votes
588
588 views
How can you tell a Python library is a good one and useful?
If a big company such as Google behind it, with high probability it is a great library such as TensorFlow. But in general how can I found out?
answered
Oct 18, 2018
Python
library
python
programming
+
–
1
1 vote
743
743 views
In a dataframe of a size (5,10) with random values, how to have exactly 5 NAN values in each row?
answered
Oct 17, 2018
Python
python
programming
jupyter-notebook
+
–
0
0 votes
561
561 views
How to perform sentiment analysis in NLP?
If trying to read text and need to finalize texts as good, bad , ugly or any such buckets, where to start? What sentiment functions to use?
answered
Oct 17, 2018
Machine Learning
nlp
sentiment-analysis
nltk
+
–
0
0 votes
1.1k
1.1k views
plotting categorical radio
Hello,I am trying to gain insight of the data but having hard time plotting it.Suppose I have a data frame like belowIDFeature 1Class1agood2agood3bgood4bbad5abad6abad7bba...
answered
Oct 16, 2018
Python
python
programming
plots
matplotlib
+
–
1
1 vote
758
758 views
How to fetch the data from a url using Python?
I am not sure why my below code is not working any thoughts ?https://repl.it/@Neo_sauga/UnselfishFatBrains
answered
Oct 15, 2018
Python
python
programmin
+
–
1
1 vote
580
580 views
How do you tell a permutation problem from a combination problem?
Given the questions:1. How many different groups of 4 students can be made from a class of 40?and2. How many different lists of 4 students can be made from a class of 40?...
answered
Oct 15, 2018
general
statistics
combination
permutation
+
–
1
1 vote
981
981 views
Why should we use Machine learning instead of deep learning?
I am wondering why should we use machine learning instead of deep learning. We know that deep learning is very powerful. Anything which machine learning algorithm can do ...
answered
Oct 15, 2018
Machine Learning
machine-learning
deep-learning
+
–
1
1 vote
810
810 views
What is the difference between normalization and feature scaling
I am wondering what is the difference between normalization and feature scaling and usually when working on a machine learning project what comes normalization or feature...
answered
Oct 14, 2018
Machine Learning
machine-learning
scikit-learn
normalization
feature-scaling
+
–
1
1 vote
1.2k
1.2k views
Logstash takes more than 48 hours to ingest 10 GB CSV file. Is there a way to expedite?
I have a 10 GB CSV file and it takes more than 48 hours for logstash installed on my laptop to ingest the whole data. Is there a way to accelerate this process?
answered
Oct 14, 2018
Big Data Tools
big-data
logstash
optimiaztion
+
–
1
1 vote
1.0k
1.0k views
If x is the number that comes up when you roll a 20 sided die. What is the expected value of x?
If x is the number that comes up when you roll a 20 sided die. What is the expected value of x?
answered
Oct 13, 2018
general
statistics
probability
expected-value
random-variable
+
–
0
0 votes
652
652 views
How should I reduce file size of a word document when I attach high resolution pictures?
I need to submit an assignment in Word Document format, and the size of file is so big after attaching the photos taken by my cell-phone, what should I do?
answered
Oct 12, 2018
General
ms-word
picture
compression
+
–
1
1 vote
5.9k
5.9k views
How to force Jupyter Notebook to print all the variables in each cell, not just the last one?
answered
Oct 11, 2018
Python
programming
python
jupyter-notebook
+
–
1
1 vote
15.2k
15.2k views
How to update "conda" version itself?
I can update all the libraries and packages on Anaconda using the following command:conda update all But it does not update conda itself. Is there any special command fo...
answered
Oct 10, 2018
Python
programming
python
anaconda
conda
+
–
2
2 votes
3.5k
3.5k views
How many different ways are there to deal four 13 card hands to four players from a standard deck of 52 cards?
This question is from the third Combination example from lecture notes 3A. Researching this question I found this answerhttps://www.quora.com/In-how-many-ways-can-52-card...
answered
Oct 8, 2018
general
statistics
combination
+
–
2
2 votes
2.8k
2.8k views
What's the differences between [NOT p OR NOT q] and [NOT (p OR q) ]
I think these two statements are similar, can anyone tell me the differences?
answered
Oct 8, 2018
Discrete Mathematics
discrete-math
logic
+
–
1
1 vote
2.8k
2.8k views
Could you please share cheat sheet of Logic Operations?
answered
Oct 8, 2018
Discrete Mathematics
discrete-math
logic
cheat-sheet
reference
+
–
3
3 votes
676
676 views
Could you please introduce resources for learning more about Git and GitHub?
Could you please introduce a good yet concise source/website to learn more about Git and Github?
answered
Oct 7, 2018
Programming
git
github
programing
version-control
tutorial
+
–
2
2 votes
6.3k
6.3k views
How should I count the number of operations in an algorithm?
Assume we have the following algorithm:How should I count the number of each operation?
answered
Oct 6, 2018
Data Structures and Algorithms
programming
algorithm
+
–
1
1 vote
847
847 views
What is the priority order of Either Or (EOR) when constructing truth tables
In terms of the precedence order of operative, it followings like thisOperativeOrderNOT1AND2OR3 ->4< >5But I was wondering waht would be the order of precedence for the o...
answered
Oct 3, 2018
Discrete Mathematics
discrete-math
+
–
0
0 votes
876
876 views
Is this answer to a question counted as a legitimate answer
I was doing an assignment and this is one of the questionsQ4) (a) Find a compound proposition using only p, q, ¬, and the connective OR with the truth table at the right ...
answered
Oct 3, 2018
Discrete Mathematics
discrete-math
+
–
Page:
« prev
1
...
3
4
5
6
7
8
next »