:orphan:

Gallery of Charts
=================

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



.. raw:: html

    <div class="sphx-glr-thumbnails">


.. raw:: html

    </div>

Data quality
____________

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



.. raw:: html

    <div class="sphx-glr-thumbnails">


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Example of point outlier removal with polynomial regression and Studentized residuals. We gener...">

.. only:: html

  .. image:: /auto_examples/data_quality/images/thumb/sphx_glr_plot_extreme_outlier_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_data_quality_plot_extreme_outlier.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Extreme Outliers Removal</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Example of algorithm that indicates decreasing values in time series data. This algorithm is ap...">

.. only:: html

  .. image:: /auto_examples/data_quality/images/thumb/sphx_glr_plot_value_decrease_check_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_data_quality_plot_value_decrease_check.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Checking for decreasing values in a timeseries</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Example of visualizing rolling standard deviation of time delta of time series data to identify...">

.. only:: html

  .. image:: /auto_examples/data_quality/images/thumb/sphx_glr_plot_rolling_stddev_timedelta_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_data_quality_plot_rolling_stddev_timedelta.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Rolling standard deviation of data points time delta</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="It is important to know how complete a time series is. In this example, the function qualifies ...">

.. only:: html

  .. image:: /auto_examples/data_quality/images/thumb/sphx_glr_plot_completeness_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_data_quality_plot_completeness.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Completeness score of time series</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Example of visualizing breach of threshold in hour count in a time series representing running ...">

.. only:: html

  .. image:: /auto_examples/data_quality/images/thumb/sphx_glr_plot_datapoint_diff_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_data_quality_plot_datapoint_diff.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Threshold breach check for difference between two data points over a period of time</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Detecting density of data points in a time series is important for finding out if the expected ...">

.. only:: html

  .. image:: /auto_examples/data_quality/images/thumb/sphx_glr_plot_low_density_identification_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_data_quality_plot_low_density_identification.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Identifying low density periods</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Identifying gaps in data is critical when working with time series. Data gaps can be for instan...">

.. only:: html

  .. image:: /auto_examples/data_quality/images/thumb/sphx_glr_plot_gaps_identification_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_data_quality_plot_gaps_identification.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Identifying gaps in time series</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Introduction ------------ The out_of_range function uses Savitzky-Golay smoothing (SG) - sg to ...">

.. only:: html

  .. image:: /auto_examples/data_quality/images/thumb/sphx_glr_plot_out_of_range_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_data_quality_plot_out_of_range.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Detect out of range outliers in sensor data</div>
    </div>


.. raw:: html

    </div>

Detection Functions
___________________

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



.. raw:: html

    <div class="sphx-glr-thumbnails">


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Example of change point detection based on the cusum algorithm. We use synthetic data generated...">

.. only:: html

  .. image:: /auto_examples/detect/images/thumb/sphx_glr_plot_cusum_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_detect_plot_cusum.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Change Point Detection with Cusum</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Identifies if a signal contains one or more oscillatory components. Based on the paper by Sharm...">

.. only:: html

  .. image:: /auto_examples/detect/images/thumb/sphx_glr_plot_oscillation_detection_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_detect_plot_oscillation_detection.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Oscillation detection using linear predictive coding</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Example of steady state detection (SSD) based on the ED-PELT change point detection (CPD) algor...">

.. only:: html

  .. image:: /auto_examples/detect/images/thumb/sphx_glr_plot_ssd_cpd_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_detect_plot_ssd_cpd.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Steady State Detection: Change Point</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Example of visualizing unchanged signal during a certain time period in a given time series.">

.. only:: html

  .. image:: /auto_examples/detect/images/thumb/sphx_glr_plot_unchanged_signal_detection_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_detect_plot_unchanged_signal_detection.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Unchanged signal identification of time series data</div>
    </div>


.. raw:: html

    </div>

Equipment Functions
________________________

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



.. raw:: html

    <div class="sphx-glr-thumbnails">


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip=" Pump suction pressure  Pump discharge pressure  Recycle valve outlet pressure  Recycle valve f...">

.. only:: html

  .. image:: /auto_examples/equipment/images/thumb/sphx_glr_plot_recycle_valve_power_loss_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_equipment_plot_recycle_valve_power_loss.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Pump recycle valve power loss</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Calculate pump parameters total head across the pump and difference from Best Efficiency Point ...">

.. only:: html

  .. image:: /auto_examples/equipment/images/thumb/sphx_glr_plot_pump_parameters_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_equipment_plot_pump_parameters.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Calculate parameters of a centrifugal pump</div>
    </div>


.. raw:: html

    </div>

Filter Functions
________________

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



.. raw:: html

    <div class="sphx-glr-thumbnails">


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Example of filtering to remove noise from time series data using the Wavelet filter. We use dat...">

.. only:: html

  .. image:: /auto_examples/filter/images/thumb/sphx_glr_plot_wavelet_filter_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_filter_plot_wavelet_filter.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Noise removal and trending with the Wavelet filter</div>
    </div>


.. raw:: html

    </div>




.. raw:: html

    <div class="sphx-glr-thumbnails">


.. raw:: html

    </div>

Forecasting Functions
_____________________

Examples of algorithms used to forecast data



.. raw:: html

    <div class="sphx-glr-thumbnails">


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="For the Holt-Winters example we use forged daily data with a weekly seasonality. We predict two...">

.. only:: html

  .. image:: /auto_examples/forecast/images/thumb/sphx_glr_plot_holt_winters_predictor_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_forecast_plot_holt_winters_predictor.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Holt-Winters Predictor</div>
    </div>


.. raw:: html

    </div>

Numerical Calculus
__________________



.. raw:: html

    <div class="sphx-glr-thumbnails">


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="In this example a synthetic time series is generated with a certain skewness (to make it more i...">

.. only:: html

  .. image:: /auto_examples/numerical_calculus/images/thumb/sphx_glr_plot_sliding_window_integration_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_numerical_calculus_plot_sliding_window_integration.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Sliding window integration</div>
    </div>


.. raw:: html

    </div>

Oil and Gas Functions
_____________________

Examples of algorithms used in the Oil and Gas industry.



.. raw:: html

    <div class="sphx-glr-thumbnails">


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="The data is from an unnamed well in the form of a pickle file. The data is a dataframe that con...">

.. only:: html

  .. image:: /auto_examples/oil_and_gas/images/thumb/sphx_glr_plot_well_prod_status_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_oil_and_gas_plot_well_prod_status.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Check for the production status of a well</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Gas density is calculated using real gas equations from input pressure, temperature and specifi...">

.. only:: html

  .. image:: /auto_examples/oil_and_gas/images/thumb/sphx_glr_plot_gas_density_calcs_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_oil_and_gas_plot_gas_density_calcs.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Calculation of gas density</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="We use data from an emergency shut-down valve sensor on a compressor. The figure shows reading ...">

.. only:: html

  .. image:: /auto_examples/oil_and_gas/images/thumb/sphx_glr_plot_shut_in_detector_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_oil_and_gas_plot_shut_in_detector.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Detection of valve shut-in state</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="In reservoir and production engineering, knowledge of the shut-in pressure can help estimate re...">

.. only:: html

  .. image:: /auto_examples/oil_and_gas/images/thumb/sphx_glr_plot_shut_in_variables_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_oil_and_gas_plot_shut_in_variables.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Calculation of shut-in pressure</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="The calculation of fluid properties is a fundamental component of mass balance and other method...">

.. only:: html

  .. image:: /auto_examples/oil_and_gas/images/thumb/sphx_glr_plot_live_fluid_properties_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_oil_and_gas_plot_live_fluid_properties.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Calculate fluid properties given pressure and temperature</div>
    </div>


.. raw:: html

    </div>

Reindex function
________________

Example on how to reindex two time-series.



.. raw:: html

    <div class="sphx-glr-thumbnails">


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="When working with multiple time series it is often important that time stamps are aligned. Even...">

.. only:: html

  .. image:: /auto_examples/reindex/images/thumb/sphx_glr_plot_pearson_correlation_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_reindex_plot_pearson_correlation.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Re-indexing and compute Pearson correlation coefficient</div>
    </div>


.. raw:: html

    </div>

Resampling Functions
___________________

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



.. raw:: html

    <div class="sphx-glr-thumbnails">


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Example of aggregating (grouping) data on regions defined by a series with integers denoting di...">

.. only:: html

  .. image:: /auto_examples/resample/images/thumb/sphx_glr_plot_group_by_region_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_resample_plot_group_by_region.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Group by Region</div>
    </div>


.. raw:: html

    </div>

Synthetic Signal Generation
___________________________

Examples of how to generate synthetic signals.



.. raw:: html

    <div class="sphx-glr-thumbnails">


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="We will generate a linear time series with a sampling frequency of 4 hours, from 1975/05/09 to ...">

.. only:: html

  .. image:: /auto_examples/signals/images/thumb/sphx_glr_plot_synthetic_gaps_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_signals_plot_synthetic_gaps.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Inserting gaps in a time series</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="We will generate three univariate polynomials of a given time series. The order of the polynomi...">

.. only:: html

  .. image:: /auto_examples/signals/images/thumb/sphx_glr_plot_univariate_polynomial_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_signals_plot_univariate_polynomial.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Univariate Polynomial</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Sinusoidal waves are very useful in signal generation. The sine wave equation can be used to ge...">

.. only:: html

  .. image:: /auto_examples/signals/images/thumb/sphx_glr_plot_wavy_signals_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_signals_plot_wavy_signals.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Wavy signal generation</div>
    </div>


.. raw:: html

    </div>

Smoothing Functions
___________________

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



.. raw:: html

    <div class="sphx-glr-thumbnails">


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Example of noise removal from time series data using the Savitzky-Golay smoother. We use data f...">

.. only:: html

  .. image:: /auto_examples/smooth/images/thumb/sphx_glr_plot_sg_smooth_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_smooth_plot_sg_smooth.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Data smoothing with the Savitzky-Golay filter</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Example of noise removal from time series data using the Simple Moving Average (SMA), Linear We...">

.. only:: html

  .. image:: /auto_examples/smooth/images/thumb/sphx_glr_plot_ma_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_smooth_plot_ma.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Data smoothing with Moving Averages</div>
    </div>


.. raw:: html

    </div>

Statistics
___________________

Example on how to use statistics functions in InDSL.



.. raw:: html

    <div class="sphx-glr-thumbnails">


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Example of outlier detection from time series data using DBSCAN and spline regression. We use d...">

.. only:: html

  .. image:: /auto_examples/statistics/images/thumb/sphx_glr_plot_remove_outliers_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_statistics_plot_remove_outliers.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Outlier detection with DBSCAN and spline regression</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="This example calculates the rolling pearson correlation coefficient between two synthetic times...">

.. only:: html

  .. image:: /auto_examples/statistics/images/thumb/sphx_glr_plot_pearson_correlation_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_statistics_plot_pearson_correlation.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Pearson correlation</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Example of outlier detection in a randomly generated time series data using DBSCAN and spline r...">

.. only:: html

  .. image:: /auto_examples/statistics/images/thumb/sphx_glr_plot_detect_outliers_001_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_statistics_plot_detect_outliers_001.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Outlier detection with DBSCAN and spline regression 001</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Example of outlier detection in a randomly generated time series data using DBSCAN and spline r...">

.. only:: html

  .. image:: /auto_examples/statistics/images/thumb/sphx_glr_plot_detect_outliers_002_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_statistics_plot_detect_outliers_002.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Outlier detection with DBSCAN and spline regression 002</div>
    </div>


.. raw:: html

    </div>

Sustainability Functions
___________________

Examples of how to use the sustainability functions.



.. raw:: html

    <div class="sphx-glr-thumbnails">


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Given the power consumption of a process unit and data regarding the emissions and cost factors...">

.. only:: html

  .. image:: /auto_examples/sustainability/images/thumb/sphx_glr_plot_cumulative_co2_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_sustainability_plot_cumulative_co2.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Cumulative CO2 Production and Cost</div>
    </div>


.. raw:: html

    </div>

Function versioning
___________________

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



.. raw:: html

    <div class="sphx-glr-thumbnails">


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="InDSL comes with the :pyindsl.versioning module, which allows to implement multiple versions of...">

.. only:: html

  .. image:: /auto_examples/versioning/images/thumb/sphx_glr_versioned_function_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_versioning_versioned_function.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Function versioning</div>
    </div>


.. raw:: html

    </div>


.. toctree::
   :hidden:
   :includehidden:


   /auto_examples/data_quality/index.rst
   /auto_examples/detect/index.rst
   /auto_examples/equipment/index.rst
   /auto_examples/filter/index.rst
   /auto_examples/fluid_dynamics/index.rst
   /auto_examples/forecast/index.rst
   /auto_examples/numerical_calculus/index.rst
   /auto_examples/oil_and_gas/index.rst
   /auto_examples/reindex/index.rst
   /auto_examples/resample/index.rst
   /auto_examples/signals/index.rst
   /auto_examples/smooth/index.rst
   /auto_examples/statistics/index.rst
   /auto_examples/sustainability/index.rst
   /auto_examples/versioning/index.rst



.. only:: html

 .. rst-class:: sphx-glr-signature

    `Gallery generated by Sphinx-Gallery <https://sphinx-gallery.github.io>`_