From 04502ca0c658a6c929debd61aee87be8c7eceb04 Mon Sep 17 00:00:00 2001
From: Johannes Ranke <jranke@uni-bremen.de>
Date: Wed, 22 Apr 2015 13:46:32 +0200
Subject: Update markdown version of README

---
 README.md | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

(limited to 'README.md')

diff --git a/README.md b/README.md
index 4cf12c3..04ac11f 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,11 @@ library(devtools)
 install_github("jranke/pfm", subdir = "pkg", quick = TRUE)
 ```
 
-To read in and analyse a cwa file:
+## Use
+
+# Analyse TOXSWA output
+
+Read in and analyse a cwa file:
 
 
 ```r
@@ -73,3 +77,18 @@ print(example_cwa)
 ## Event statistics for threshold 100 
 ## No events found
 ```
+
+# Calculate PEC soil
+
+Simple PEC soil calculation for an application rate of 100 g/ha and
+25% interception, assuming complete mixing into 5 cm and a soil bulk
+density of 1.5 kg/L, output in mg/kg:
+
+
+```r
+PEC_soil(100, int = 0.25)
+```
+
+```
+## [1] 0.1
+```
-- 
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