Difference between revisions of "ISSS608 2016-17 T3 Assign Chan En Ying Grace Methodology"
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+ | ==<font size="5"><font color="#000000">'''Approach Taken'''</font></font>== | ||
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+ | The following outlines the approach used for the analysis. | ||
+ | |||
+ | <div style="margin:0px; padding: 2px; background: #E6E6FA; font-family: Arial; border-radius: 1px; text-align:left"> | ||
+ | {| class="wikitable" style="background-color:#FFFFFF;" width="100%" | ||
+ | |- | ||
+ | | | ||
+ | <b>Step</b> | ||
+ | || | ||
+ | <b>Approach</b> | ||
+ | || | ||
+ | <b>Description</b> | ||
+ | |||
+ | |- | ||
+ | | | ||
+ | 1. | ||
+ | || | ||
+ | <b>Data Understanding</b> | ||
+ | || | ||
+ | <b>i. Read in Raster Layer (Lekagul Roadways Map)</b> | ||
+ | <br> - It is a single layer raster file. 200x200. | ||
+ | <br> class : RasterLayer | ||
+ | <br> dimensions : 200, 200, 40000 (nrow, ncol, ncell) | ||
+ | <br> resolution : 1, 1 (x, y) | ||
+ | <br> extent : 0, 200, 0, 200 (xmin, xmax, ymin, ymax) | ||
+ | <br> coord. ref. : NA | ||
+ | <br> names : Lekagul_Roadways_2018 | ||
+ | <br> values : 0, 255 (min, max) | ||
+ | |||
+ | |||
+ | <b>ii. Find out structure of Raster Layer</b> | ||
+ | <br> Extent : 40000 | ||
+ | <br> CRS arguments : NA | ||
+ | <br> File Size : 41078 | ||
+ | <br> Object Size : 14376 bytes | ||
+ | <br> Layer : 1 | ||
+ | |- | ||
+ | | | ||
+ | |||
+ | 2. | ||
+ | || | ||
+ | <b>Data Cleaning</b> | ||
+ | || | ||
+ | <b>i. Import two CSV Files (Birds)</b> | ||
+ | * 2081 Training Birds (Metadata) | ||
+ | * 15 Test Birds (Provided by Kasios) | ||
+ | |||
+ | |||
+ | <b>ii. Fix Data Quality Issues</b> | ||
+ | * Change File ID from numeric to character | ||
+ | * Change coordinates to numeric | ||
+ | * Change Date from Character to Date | ||
+ | * Omit the two NA values for the Y coordinate. | ||
+ | * Clean the Dates (All standardise to m/d/y. For missing month/year, I will replace with NA. For missing day, I will impute as 1st day of the month.) | ||
+ | * Clean the Timing (Standardise all to 24 hour formatting. Use “.” instead of ":") | ||
+ | |||
+ | |} | ||
+ | </div> | ||
+ | <br> |
Revision as of 20:49, 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 |
i. Read in Raster Layer (Lekagul Roadways Map)
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2. |
Data Cleaning |
i. Import two CSV Files (Birds)
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