# Gallery of Charts

Examples of how to use the algorithms included in Cognite Charts.

## Data quality

Examples on how to explore the data quality of time series.

Checking for decreasing values in a timeseries

Rolling standard deviation of data points time delta

Completeness score of time series

Identifying low density periods

Identifying gaps in time series

Detect out of range outliers in sensor data

## Detection Functions

Examples of how to use the detection functions included in Cognite Charts.

Change Point Detection with Cusum

Steady State Detection: Change Point

Unchanged signal identification of time series data

## Equipment Functions

Examples of how to use the equipment functions included in Cognite Charts.

Calculate parameters of a centrifugal pump

## Filter Functions

Examples of how to use the filter functions included in Cognite Charts.

Noise removal and trending with the Wavelet filter

## Forecasting Functions

Examples of algorithms used to forecast data

## Numerical Calculus

## Oil and Gas Functions

Examples of algorithms used in the Oil and Gas industry.

Check for the production status of a well

Detection of valve shut-in state

Calculation of shut-in pressure

Calculate fluid properties given pressure and temperature

## Reindex function

Example on how to reindex two time-series.

Re-indexing and compute Pearson correlation coefficient

## Resampling Functions

Examples of how to use the resampling functions included in Cognite Charts.

## Synthetic Signal Generation

Examples of how to generate synthetic signals.

Inserting gaps in a time series

## Smoothing Functions

Examples of how to use the smoothing functions included in Cognite Charts.

Data smoothing with the Savitzky-Golay filter

Data smoothing with Moving Averages

## Statistics

Example on how to use statistics functions in InDSL.

Outlier detection with DBSCAN and spline regression

Outlier detection with DBSCAN and spline regression 001

Outlier detection with DBSCAN and spline regression 002

## Sustainability Functions

Examples of how to use the sustainability functions.

Cumulative CO2 Production and Cost

## Function versioning

Example on how to implement versions of a function in InDSL.