STF<-read.table ("STFdata1.csv", header=T, sep=",", stringsAsFactors = F)
str(STF)
## 'data.frame': 363 obs. of 5 variables:
## $ plot : int 1 1 1 1 1 1 1 1 1 1 ...
## $ tree_no : int 1 2 3 4 5 6 7 8 9 10 ...
## $ species : chr "RM" "RO" "RO" "RM" ...
## $ dbh : num 10.6 18.3 15.5 16.7 16.5 6.3 9.9 22 9.2 15.7 ...
## $ tree_quality: chr "AGS" "AGS" "AGS" "AGS" ...
table(STF$tree_no)
##
## 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
## 49 48 48 46 44 37 29 22 12 8 7 6 3 2 2
table(STF$species)
##
## AB AE aspen BC BN BT BW EH HH MRM PB
## 1 7 1 4 7 1 6 2 37 4 1 26
## QA R RM RO RS SB SM unk WA WP YB
## 2 1 106 12 2 12 61 1 27 30 12
table(STF$dbh)
##
## 1 4.5 5.2 5.7 5.8 5.9 6 6.1 6.3 6.4 6.5 6.7 6.8 6.9 7
## 1 1 3 2 1 1 3 1 2 2 4 1 1 4 2
## 7.3 7.4 7.6 7.7 7.8 7.9 8 8.1 8.2 8.3 8.4 8.5 8.6 8.7 8.8
## 1 3 1 1 2 2 2 2 3 1 4 1 1 1 1
## 8.9 9 9.1 9.2 9.3 9.4 9.5 9.6 9.7 9.8 9.9 10 10.1 10.2 10.3
## 1 3 1 2 3 1 4 2 2 3 3 1 4 2 3
## 10.4 10.5 10.6 10.7 10.8 10.9 11 11.1 11.2 11.3 11.4 11.5 11.6 11.8 11.9
## 2 4 3 4 3 2 4 5 2 2 5 4 4 3 3
## 12 12.1 12.2 12.3 12.4 12.5 12.6 12.8 12.9 13 13.1 13.2 13.3 13.4 13.5
## 2 10 6 4 6 4 9 3 5 2 1 1 1 4 4
## 13.6 13.7 13.8 13.9 14 14.1 14.2 14.3 14.5 14.6 14.7 14.8 14.9 15 15.1
## 3 2 3 3 3 4 5 3 2 3 1 5 2 1 5
## 15.2 15.3 15.5 15.7 15.8 15.9 16.1 16.2 16.3 16.4 16.5 16.6 16.7 16.9 17
## 2 3 1 2 1 2 1 1 1 2 6 3 2 2 2
## 17.1 17.2 17.3 17.4 17.5 17.6 17.7 17.8 17.9 18 18.1 18.2 18.3 18.4 18.5
## 2 4 1 3 3 1 1 2 1 2 3 1 2 2 2
## 18.7 18.8 18.9 19 19.2 19.5 19.7 20 20.1 20.2 20.7 20.8 20.9 21.1 21.2
## 1 3 2 2 1 2 2 2 1 1 2 1 1 1 1
## 21.6 22 22.2 23 23.5 23.6 23.8 24 24.4 24.6 24.7 24.9 25 25.2 25.5
## 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1
## 25.6 26.4 26.5 26.9 28.2 28.5 29 30.4 31 31.7 32.3 32.5 33.5 35.3
## 1 1 1 2 1 1 1 1 1 2 1 1 1 1
summary(STF)
## plot tree_no species dbh
## Min. : 1.00 Min. : 1.00 Length:363 Min. : 1.00
## 1st Qu.:18.00 1st Qu.: 2.00 Class :character 1st Qu.:10.40
## Median :31.00 Median : 4.00 Mode :character Median :12.80
## Mean :29.35 Mean : 4.76 Mean :13.92
## 3rd Qu.:42.00 3rd Qu.: 6.50 3rd Qu.:16.65
## Max. :54.00 Max. :15.00 Max. :35.30
## tree_quality
## Length:363
## Class :character
## Mode :character
##
##
##
head(STF)
## plot tree_no species dbh tree_quality
## 1 1 1 RM 10.6 AGS
## 2 1 2 RO 18.3 AGS
## 3 1 3 RO 15.5 AGS
## 4 1 4 RM 16.7 AGS
## 5 1 5 SM 16.5 S
## 6 1 6 YB 6.3 AGS
tail(STF)
## plot tree_no species dbh tree_quality
## 358 54 1 WP 16.9 AGS
## 359 54 2 WP 5.2 S
## 360 54 3 WP 14.8 AGS
## 361 54 4 WP 31.0 S
## 362 54 5 WP 18.8 AGS
## 363 54 6 WP 14.1 AGS