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Analysis Tools in QGIS

Open the Analysis Tools in QGIS;

In the Toolbar menu, click on Vector , select Analysis Tools, and see all the available Analysis Tools.

Sl No.ToolPurpose
1Count Points in polygonCount the number of points that occur in each polygon of an input polygon vector layer.
2Line intersectionsLocate intersections between lines, and output results as a point shapefile. Useful for locating road or stream intersections, ignores line intersections with length > 0.
3Mean coordinate(s)Compute either the normal or weighted mean center of an entire vector layer, or multiple features based on a unique ID field.
4Nearest neighbor analysisCompute nearest neighbor statistics to assess the level of clustering in a point vector layer.
5Sum line lengthCalculate the total sum of line lengths for each polygon of a polygon vector layer.
6Basic statistics for numeric fieldCompute basic statistics (mean, std dev, N, sum, CV) on an input field.
7Distance matrixMeasure distances between two point layers, and output results as:
i) Square distance matrix,
ii) Linear distance matrix, or
iii) Summary of distances.
Can limit distances to the k nearest features.
8List unique valuesThe List all unique values in an input vector layer field.
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