Statistics
10 Questions
0 Answers
RANK
37,390
of 301,637
REPUTATION
1
CONTRIBUTIONS
10 Questions
0 Answers
ANSWER ACCEPTANCE
60.0%
VOTES RECEIVED
1
RANK
of 21,366
REPUTATION
N/A
AVERAGE RATING
0.00
CONTRIBUTIONS
0 Files
DOWNLOADS
0
ALL TIME DOWNLOADS
0
RANK
of 175,858
CONTRIBUTIONS
0 Problems
0 Solutions
SCORE
0
NUMBER OF BADGES
0
CONTRIBUTIONS
0 Posts
CONTRIBUTIONS
0 Public Channels
AVERAGE RATING
CONTRIBUTIONS
0 Discussions
AVERAGE NO. OF LIKES
Feeds
Question
str2double breaks when you pass in a vector?
this works: double = str2double('06012015'); but this doesn't: doubles = str2double(['06012015' '06022015']); whos d...
9 years ago | 2 answers | 1
2
answersQuestion
option chains and neural nets
it seems reasonable to think of option chains as having some predictive power with respect to the price of their underlying secu...
10 years ago | 1 answer | 0
1
answerQuestion
timeseries and categorical data
I'd like to chart two time series: closing prices, by day, for a given stock, and a set of buy/sell recommendations for that sto...
10 years ago | 0 answers | 0
0
answersQuestion
how to store a series of single rows that have different numbers of columns
I have a loop that creates a series of single rows that have different numbers of columns I need to collect/store these as th...
10 years ago | 3 answers | 0
3
answersQuestion
using 2D data as input for a neural network
have data that i'd like to use as input for a pattern recognition neural net project the data comes as a series of tables, ea...
10 years ago | 1 answer | 0
1
answerQuestion
how to use histogram(data, num_bins)?
I have a 8945x1 double array, and I want to view it's distribution, as a histogram first try: histogram(data), here's what I ...
10 years ago | 1 answer | 0
1
answerQuestion
how to use histogram(data, num_bins)?
I have a 8945x1 double array, and I want to view it as a histogram first try: histogram(data), here's what I get: <</matla...
10 years ago | 1 answer | 0
1
answerQuestion
creating a timeseries inserts extra value at beginning of time vector
I'm using this form to create a timeseries: ts = timeseries(data_vector, datestring_vector) but the ts gets an extra row a...
10 years ago | 0 answers | 0
0
answersQuestion
why is corrcoef returning NaN's?
I'm passing in a single matrix, lots of rows (est 5k), 2 cols -- there are no NaNs in the data, and the data is all doubles, f...
10 years ago | 1 answer | 0
1
answerQuestion
neural nets: validation vs testing?
wondering what the real difference is between validation and testing? both are tests of the net, it would seem thanks
10 years ago | 2 answers | 0
