Update DataGuide_AAPF_HSI.md

DataGuide_AAPF_HSI.md

@@ -78,35 +78,22 @@ This document details the file system organization and navigation procedures for
 
 The spreadsheets contains various phenotypic measurements derived from the HSI data and auxiliary measurement info. Here's a breakdown of the column headers:
 
-- `Filename-VNIR-SIDE`
-    - Filename of input VNIR-SIDE data
-- `Filename-VNIR-TOP`
-    - Filename of input VNIR-TOP data
-- `Filename-SWIR-SIDE`
-    - Filename of input SWIR-SIDE data
-- `Filename-SWIR-TOP`
-    - Filename of input SWIR-TOP data
-- `EXP ID`
-    - Internal experiment number assigned in PPEW
-- `POT_BARCODE`
-    - Unique number assigned to plant
-- `VARIETY`
-    - Variety assigned in PPEW
-- `TREATMENT`
-    - Treatment applied to plant
-- `SCAN_TIME`
-    - Scan start time
-- `SCAN_DATE`
-    - Scan start date
-- `DFP`
-    - Age of plant in days from planting at time of imaging
-- `{vegetation index}_{statistic} (e.g., NDVI_avg)`
-    - Vegetation index (VI) statistics within masked vegetation areas
-    - [List of vegetation indices used](/resources/VI.md)
-    - List of statistics used
-        - avg: average, sd: standard deviation, max: maximum, min: minimum, p##: ##-th percentile)
-- `Wavelength in nm (e.g., 402.8)`
-    - Average reflectance over vegetation mask area (ratio of reflected energy to incident energy)
+
+| Column Head          | Description                                           |
+|----------------------|-------------------------------------------------------|
+| `Filename-VNIR-SIDE` | Filename of input VNIR-SIDE data                      |
+| `Filename-VNIR-TOP`  | Filename of input VNIR-TOP data                       |
+| `Filename-SWIR-SIDE` | Filename of input SWIR-SIDE data                      |
+| `Filename-SWIR-TOP`  | Filename of input SWIR-TOP data                       |
+| `EXP ID`             | Internal experiment number assigned in PPEW           |
+| `POT_BARCODE`        | Unique number assigned to plant                       |
+| `VARIETY`            | Variety assigned in PPEW                              |
+| `TREATMENT`          | Treatment applied to plant                            |
+| `SCAN_TIME`          | Scan start time                                       |
+| `SCAN_DATE`          | Scan start date                                       |
+| `DFP`                | Age of plant in days from planting at time of imaging |
+| `{vegetation index}_{statistic}<br>(e.g., NDVI_avg)`| Vegetation index (VI) statistics within masked vegetation areas<br>[List of vegetation indices used](/resources/VI.md)<br>List of statistics used (avg: average, sd: standard deviation, max: maximum, min: minimum, p##: ##-th percentile) 
+| `Wavelength in nm<br>(e.g., 402.8)`| Average reflectance over vegetation mask area (ratio of reflected energy to incident energy)           |