All Questions
0
votes
0answers
12 views
For a continuous distribution, does mean = median imply symmetry? [duplicate]
If so, why? If not, what is a counter example?
1
vote
0answers
5 views
Shortest time for $C$ distinct objects to arrive
Assume there are $N+1$ objects denoted by $O_1,O_2,...,O_{N+1}$, and each object has an arrival process. The first $N$ of them arrive with rate $\lambda_i,~i=\{1,2,...,N\}$, and $O_{N+1}$ arrive with ...
2
votes
0answers
14 views
Support Vector Machines: C-parameters and the number of Support Vectors
I have read in the MATLAB documentation, that the number of Support Vectors is connected to the value of the soft-margin parameter C - why is that, and how can we see that with regards to the ...
-1
votes
2answers
28 views
How can i fill missing values using mean, mode and median in R?
I have a dataset with a lot of missing values.Please help me to handle them.
2
votes
1answer
17 views
Classifier accuracy decreases as n of n-gram models increases. Is this expected?
I am trying to tackle a multi-classification problem that requires text processing. The data contains a lot of samples (approximately 100.000 samples) and one of the features I need to work with is a ...
0
votes
0answers
5 views
I need to see the incidences in my data set in WEKA
I have a dataset that has 44804 instances which includes diagnoses, ages and quantities (same diagnoses includes). I want to see which diagnose has most seen for ages. So that i want to say "measles" ...
-1
votes
0answers
4 views
Temporal point process (unmarked) - benchmark data
A temporal point process is a random process whose realizations consist of the times $(\tau_j)_{j \in J}$ of isolated events.
I am looking for benchmark results and data for the task of model ...
-2
votes
0answers
8 views
Measure Percentage Of Savings Relation To Anxiety
What Statistics To Use To Find A Relation Between Percentage Of Savings And ANxiety?
0
votes
0answers
4 views
Plot multiple geometric brownian motions in R
I created various simulations of geometric brownian motions in R using the following codes:
...
0
votes
2answers
17 views
Probability: Binomial Distribution Question
A gambler decides to keep betting on red at roulette, and stop as soon as she has won a total of 5 bets.
a. What is the probability she has to make exactly 8 bets before stopping?
b. What is the ...
2
votes
1answer
31 views
How do I interpret this Scatter Plot?
I have a scatter plot which has sample size which is equal to the number of people on x axis and median salary on y axis, I am trying to find out if the sample size has any effect on the median salary....
1
vote
1answer
19 views
How do I fit a GLM using Binomial Distribution for this data in R?
I have been asked to fit a GLM using binomial distribution for the following question:
A survey was conducted to evaluate the effectiveness of a new canine Cough vaccine that had been administered ...
0
votes
0answers
7 views
how do I calculate an effect over many multiple time-points / time series
I am looking at a dataset of social media posts made over a three month period. Within this are Influencer posts and User posts. I want to know if the amount an Influencer posts leads to more Users ...
1
vote
0answers
13 views
Is it sensible to use classification to analyse clustering results?
My goal is to analyse how some variables play a part in clustering a group of individuals, i.e. what are the deterministic factors that differentiate one cluster from another.
Besides manually ...
1
vote
0answers
7 views
Text recognition pattern
I am new to machine learning, There will be Email related to Employee recognition. How should I find the pattern in which I can easily identify that email is about the recognition ?