Raw Production 2016-2017

Creation date: 2018 April 3

Updated: 2018 April 06

Introduction

This document provides basic QA/QC assessments for the willow production data updated with 2016 and 2017 data entered from field sheets.

Analyses aim to characterize basic data structure and identify potential issues such as:

• Inconsistently named/typed factors
  
• Missing values
• Data values outside of expected range or showing unusual patterns

2017 Data import and initial inspection

There are 1122 records in the raw data set.

Questions/Issues:
On import, there are 11 fields without field names. R names these on import as x_1:x_11. All records but have no data.

Here’s the row. I suspect this is simply data shifted over…

date	site	spp	plant	stem_id	x_1	x_2	x_3	x_4	x_5	x_6	x_7	x_8	x_9	x_10	x_11
8092017	rose	beb	441.0	441.0	2	4	1	4	8	7	3	7	5	10	8

Removing this row leaves 1121 records.

Some basic QA