Geostatistical data Barry Rowlingson Geostatistician DataCamp - - PowerPoint PPT Presentation

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geostatistical data

Geostatistical data Barry Rowlingson Geostatistician DataCamp - - PowerPoint PPT Presentation

Dec 21, 2022 129 likes •611 views

DataCamp Spatial Statistics in R SPATIAL STATISTICS IN R Geostatistical data Barry Rowlingson Geostatistician DataCamp Spatial Statistics in R Data DataCamp Spatial Statistics in R Total DataCamp Spatial Statistics in R Map DataCamp

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DataCamp Spatial Statistics in R

Geostatistical data

SPATIAL STATISTICS IN R

Barry Rowlingson

Geostatistician

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DataCamp Spatial Statistics in R

Data

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DataCamp Spatial Statistics in R

Total

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DataCamp Spatial Statistics in R

Map

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DataCamp Spatial Statistics in R

Point Predictions

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DataCamp Spatial Statistics in R

Sampling Pattern

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DataCamp Spatial Statistics in R

Response

Continuous? Fraction/Percentage? Count? Binary? Categorical?

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DataCamp Spatial Statistics in R

Large-scale Trend

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DataCamp Spatial Statistics in R

Anisotropy - Directionality

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DataCamp Spatial Statistics in R

Discontinuities

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DataCamp Spatial Statistics in R

Let's practice!

SPATIAL STATISTICS IN R

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DataCamp Spatial Statistics in R

The variogram

SPATIAL STATISTICS IN R

Barry Rowlingson

Variographer

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DataCamp Spatial Statistics in R

Tobler

Photo: User:Alvesgaspar/Wikimedia Commons/CC-BY-SA-3.0 "Everything is related to everything else, but near things are more related than distant things."

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DataCamp Spatial Statistics in R

Pythagoras

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DataCamp Spatial Statistics in R

Difference

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DataCamp Spatial Statistics in R

Variogram Cloud

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DataCamp Spatial Statistics in R

Construct Bins

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DataCamp Spatial Statistics in R

Average In Bins

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DataCamp Spatial Statistics in R

Variogram

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DataCamp Spatial Statistics in R

Variogram

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DataCamp Spatial Statistics in R

Variogram

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DataCamp Spatial Statistics in R

Variogram

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DataCamp Spatial Statistics in R

Variogram

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DataCamp Spatial Statistics in R

Variogram Functions

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DataCamp Spatial Statistics in R

Matern

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DataCamp Spatial Statistics in R

Let's practice!

SPATIAL STATISTICS IN R

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DataCamp Spatial Statistics in R

Kriging predictions

SPATIAL STATISTICS IN R

Barry Rowlingson

Kriger

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DataCamp Spatial Statistics in R

Kriging

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DataCamp Spatial Statistics in R

Flavours

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DataCamp Spatial Statistics in R

Kriging Equations

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DataCamp Spatial Statistics in R

Outputs

X Y Prediction Variance 66.40 558.30 849.49 3941.76 66.40 558.35 844.15 5159.70 66.35 558.30 829.24 4687.44 66.35 558.35 834.29 5423.28 66.45 558.35 834.01 5856.16 66.45 558.30 828.36 5294.68 66.40 558.40 835.68 6413.80 ... ... ... ...

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DataCamp Spatial Statistics in R

Outputs

X Y Prediction Variance P > 750 66.40 558.30 849.49 3941.76 0.94 66.40 558.35 844.15 5159.70 0.91 66.35 558.30 829.24 4687.44 0.88 66.35 558.35 834.29 5423.28 0.87 66.45 558.35 834.01 5856.16 0.86 66.45 558.30 828.36 5294.68 0.86 66.40 558.40 835.68 6413.80 0.86 ... ... ... ... ...

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DataCamp Spatial Statistics in R

Estimate and +/- 2SE

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DataCamp Spatial Statistics in R

Estimate and Variance

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DataCamp Spatial Statistics in R

Let's practice!

SPATIAL STATISTICS IN R

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DataCamp Spatial Statistics in R

Automatic kriging

SPATIAL STATISTICS IN R

Barry Rowlingson

Krigomatic

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DataCamp Spatial Statistics in R

Gaussian Data

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DataCamp Spatial Statistics in R

Ratio Data

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DataCamp Spatial Statistics in R

Log-Transform

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DataCamp Spatial Statistics in R

Computer-intensive Methods

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DataCamp Spatial Statistics in R

Nested Variogam

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DataCamp Spatial Statistics in R

Auto Kriging

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DataCamp Spatial Statistics in R

The automap Package

FeMap <- autoKrige(Fe ~ 1, data = geo) [using ordinary kriging] plot(FeMap)

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DataCamp Spatial Statistics in R

Let's practice!

SPATIAL STATISTICS IN R

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DataCamp Spatial Statistics in R

Last Words

SPATIAL STATISTICS IN R

Barry Rowlingson

Wrapper-Up

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DataCamp Spatial Statistics in R

Learnings

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DataCamp Spatial Statistics in R

The End!

SPATIAL STATISTICS IN R