Difference between revisions of "ISSS608 2016-17 T3 Assign Chan En Ying Grace Methodology"
Line 86: | Line 86: | ||
<b>Data Understanding</b> | <b>Data Understanding</b> | ||
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− | <b> | + | <b>1. Read in Raster Layer (Lekagul Roadways Map)</b> |
<br> - It is a single layer raster file. 200x200. | <br> - It is a single layer raster file. 200x200. | ||
<br> class : RasterLayer | <br> class : RasterLayer | ||
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− | <b> | + | <b>2. Find out structure of Raster Layer</b> |
<br> Extent : 40000 | <br> Extent : 40000 | ||
<br> CRS arguments : NA | <br> CRS arguments : NA | ||
Line 110: | Line 110: | ||
<b>Data Cleaning</b> | <b>Data Cleaning</b> | ||
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− | <b> | + | <b>1. Import two CSV Files (Birds)</b> |
* 2081 Training Birds (Metadata) | * 2081 Training Birds (Metadata) | ||
* 15 Test Birds (Provided by Kasios) | * 15 Test Birds (Provided by Kasios) | ||
− | <b> | + | <b>2. Fix Data Quality Issues</b> |
* Change File ID from numeric to character | * Change File ID from numeric to character | ||
* Change coordinates to numeric | * Change coordinates to numeric | ||
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− | <b> | + | <b>3. Data Manipulation</b> |
* Extract out the “Year” and “Month” from the date, as new columns | * Extract out the “Year” and “Month” from the date, as new columns | ||
* Create a new column for Quarter (Q1,Q2,Q3,Q4) & Season (Spring, Summer, Fall, Winter) | * Create a new column for Quarter (Q1,Q2,Q3,Q4) & Season (Spring, Summer, Fall, Winter) | ||
− | <b> | + | <b>4. Geospatial File Compatibility</b> |
* Convert CSV file (2081 birds) into the following: | * Convert CSV file (2081 birds) into the following: | ||
− | + | ** spatial point data frame | |
− | + | ** sp format | |
− | + | ** shp format | |
− | + | ** st_read compatible format | |
− | + | ** readOGR compatible format | |
− | + | ** ppp format (for spatstat compatibility) | |
+ | |||
+ | |||
+ | <b>5. Data Overview & Exploration</b> | ||
+ | * Overlay 2081 Birds, Raster Map & Dumping Site, for an integrated overview using `plot()` | ||
+ | * Use `facet_wrap` to identify location of clustering across species, across time, and across season, and by call/song | ||
+ | |||
+ | |||
+ | <b>6. Segregation of Treatment & Control Groups</b> | ||
+ | * Use ‘Rose Pipits’ as Treatment Group | ||
+ | * Use ‘Ordinary Snape’ and ‘Lesse Birchbeere’ as Control Groups | ||
+ | * Use ‘All Birds’ as third control | ||
Revision as of 20:55, 22 June 2018
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Tools
R is the primary tool used in this analysis. The following lists the packages used for the project’s scope - for data cleaning, data visualisation, geospatial analysis and audio processing.
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Approach Taken
The following outlines the approach used for the analysis.
Step |
Approach |
Description |
1. |
Data Understanding |
1. Read in Raster Layer (Lekagul Roadways Map)
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2. |
Data Cleaning |
1. Import two CSV Files (Birds)
3. Data Manipulation
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