- Analytical performance indicators
Calculation of derived analytical indicators of time series

- Bernoulli trials table
This online calculator calculates probability of k success outcomes in n Bernoulli trials with given success event probability for each k from zero to n.

- Binomial distribution. Probability-density function
Binomial distribution, probability-density function calculation

- Chande momentum oscillator indicator
Description of Chande momentum oscillator indicator, drawing a graph on candles

- Cuba World Development Indicators 2016 - in memory of Fidel Castro
This calculator provides access to 752 world development indicators for Cuba imported from World Bank data at 2016. In memory of Fidel Castro.

- Direct observation error analisys
Calculates error of direct measurements for given measured value series and confidence interval.

Exponential smoothing theory

"One of the following characters is used to separate data fields: tab, semicolon (;) or comma(,)"

- Double exponential smoothing
Description and example of the double exponential smoothing

- Exponential Moving Average
Exponential Moving Average calculation by candles

- Histogram
Histogram generation according to input data. The number of groups is determined by the Sturgess formula, other formulas or set manually

- Histogram group number
Sturges formula and other methods of determining the number of groups in histogram generation

- Indicators of variations
Calculation of variation - the coefficient of variation, dispersion, mean square deviation, etc.

It calculates the probability density function (PDF) and cumulative distribution function (CDF) of long-normal distribution by a given mean and variance.

- Normal distribution
Plots the CDF and PDF graphs for normal distribution with given mean and variance.

- Pearson correlation coefficient
The calculation of the correlation coefficient of two random variables

- Probability of given number success events in several Bernoulli trials
Gives probability of k success outcomes in n Bernoulli trials with given success event probability.

- Seasonal fluctuations. Seasonal indices. Constant mean method.
The study of periodic (seasonal) fluctuations. Calculation of average seasonal index by constant mean method.

- Spearman's correlation coefficient
Calculates Spearman's rank correlation coefficient

- Student t-distribution
Calculates cumulative distribution function value and probability density function value for Student t-distribution. Quantile calculator evaluates Student quantiles for given probability and specified number of degrees of freedom.

- Tips and tricks #8: How to reuse existing calculator
This article describes process of reusing another calculator's logic (algorithm) in your calculator.

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