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Aktiv seit 2017

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Returns and standard deviation groupwise
I have a time series of daily stock prices for several firms. Now I want to calculate the daily returns and the rolling standa...

etwa 8 Jahre vor | 1 Antwort | 0

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How to calculate returns for each group and different number of observations per group?
Hello everyone, I need to calculate daily returns for each company in my dataset. I have different amounts of daily observati...

etwa 8 Jahre vor | 0 Antworten | 0

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How to import big data files
Is there any fast way to import a hugh dataset (approx. 10Mio. rows) into Matlab? I tried importing my csv. file with the help ...

etwa 8 Jahre vor | 1 Antwort | 0

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Solve for discount rate for a matrix of cash flows and a vector of PV
Hi, I am trying to solve the present value formula for the discount rate. Its pretty easy doing that for a 1xn matrix. Here ...

etwa 8 Jahre vor | 1 Antwort | 1

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Splitapply using arrayfun or func with for loop
Hi, I have a time series of observations. Each variable is in a separate vector. I need to calculate the following formula f...

etwa 8 Jahre vor | 1 Antwort | 0

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Draw random number from a truncated distribution with upper bound
Hello everyone, how can I draw a random number from a truncated normal distribution with mean 0 and varying var (sigma^2)? T...

etwa 8 Jahre vor | 1 Antwort | 0

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How to repeat a function several times?
Hello everyone, I have a function that calculates the time series of a growth rate assuming that the growth rate follows an ...

etwa 8 Jahre vor | 1 Antwort | 0

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