The study of the collection, organization, analysis, and interpretation of data. Questions may deal with descriptive statistics, probability distributions, random variables, sampling, regression, density estimation, filtering, inference, estimation theory, or computational statistics.

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Sampling and/or asymptotic distribution of a function

Assume we have the following function: $$f(p) = \frac{1}{(1-p)d}\ln\left(\frac{1}{T}\sum_{t=1}^{T}\left[\frac{1+X_t}{1+Y_t} \right]^{1-p} \right)$$ where $d$ is a constant $T$ is a constant $X_t$ ...
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Calculating the Sum of Squared Deviations between two Normalized Price Series

How can I calculate the sum of square deviations between two normalized price series according to (Gatev et. co 2006)? My normalized price series of stocks $X$ and $Y$ consist of the cumulative total ...
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definition of high frequency data [duplicate]

i would like to know what does mean high frequency data and low frequency data?there i could not find any basic definition of these two term,also it is very important to know what is meant by mean ...
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Penalize outlier values in time-series (Squaring, CoV)

I have set of log-return values. For this set need to calculate Coefficient of Variation with outlier values penalization. I'm just squaring all values to penalize outliers and there are different ...
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231 views

Simple EOD computations for tick data

As part of End-Of-Day calculations once a particular market/exchange has closed for all the tickers traded on that market one may typically compute the following properties: OHLC Bid/Ask Price ...
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Calculate the total returns from the total return index [closed]

I have the Total Return Index(RI) for several companies. I know that I can calculate the log retunrs with $ln(RI_t/RI_{t-1})$. Therefore my first guess would be to ...
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How to estimate a value for 2 categories with 2 different weights

So I have multiple categories with lets say an X and Y, Revenue and Trade Spend. 1: x=2,000,000 y=400,000 2: x=50,000,000 y=10,000,000 3: x=100,000,000 y=20,000,000 so on... so N: x=5y; y Let's say ...