Correlate different type of data

Hello,

I would like to create a code that correlates two types of data. the problem is that my first team of data has 300 numbers, and the seocnd team of data have 5000 numbers.

Is there a way/command to make this correlation?

[KALYAN ACHARJYA]

Last way:

1. Interpolate points in data 1, to make it 3000
2. Correlation between data1 and data2

Yes, it depends entirely on what kind of data? Arbitrary?

[Vladimir Sovkov]

From your question, it is unclear what you mean by the data correlation at all. Correlation must depict an inter-influence of the data, implying their sets were measured simultaneously. E.g., you can measure at several time instants a voltage and an electric current at some resistor, this case you can estimate the correlation of those two quantities from a set of such couples. If your two sets of data were measured independently of each other, the term "correlation" makes no sense for them.

[Ivan Mich]

My data , both of my teams , are numbers from 0-10

[Mathieu NOE]

there are two basic functions available , depending what you want to do

>> help xcorr

XCORR Cross-correlation function estimates.

C = XCORR(A,B), where A and B are length M vectors (M>1), returns the length 2*M-1 cross-correlation sequence C. If A and B are of different length, the shortest one is zero-padded. C will be a row vector if A is a row vector, and a column vector if A is a column vector.

help corrcoef

CORRCOEF Correlation coefficients. CORRCOEF(X) is a matrix of correlation coefficients formed from array X whose each row is an observation, and each column is a variable.

CORRCOEF(X,Y), where X and Y are column vectors is the same as CORRCOEF([X Y]).