This report describes standardized data for “Advanced yield trial Set A in Ibadan using 20 accessions. 15 selected from 17.GS.C0.C1.AYT.58.IK,17.GS.C0.C1.AYT.58.IB and 17.GS.C0.C1.AYT.58.UB .Best 5 selected from each locations and five checks.”. These data were standardized on 2024-09-18 by Robert Hijmans with this R script. The original data are available here under a CC-BY license.

This is the full citation of the data set:

Kulakow, Peter; Ismail Rabbi; Elizabeth Parkes; Chiedozie Egesi; Olufemi Aina; Prasad Peteti; Agbona Afolabi (2018). Advanced yield trial Set A in Ibadan using 20 accessions. 15 selected from 17.GS.C0.C1.AYT.58.IK,17.GS.C0.C1.AYT.58.IB and 17.GS.C0.C1.AYT.58.UB .Best 5 selected from each locations and five checks. International Institute of Tropical Agriculture (IITA). doi:10.25502/PGFV-XE51

The dataset has 60 records and 27 variables for cassava in Nigeria.


These are the first 25 records:

records
dataset_id trial_id record_id country location longitude latitude geo_from_source planting_date harvest_date on_farm is_survey rep crop variety variety_alt variety_code fwy_storage fwy_residue yield_part yield N_fertilizer P_fertilizer K_fertilizer irrigated plot_length plot_width
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 1 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 1 cassava IITA-TMS-IBA000070 NA 1936 1531.25 1125.00 roots 1531.25 NA NA NA NA 4 4
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 2 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 1 cassava IITA-TMS-IBA30572 NA 5 1531.25 1468.75 roots 1531.25 NA NA NA NA 4 4
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 3 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 1 cassava IITA-TMS-IBA980581 NA 723 1187.50 1343.75 roots 1187.50 NA NA NA NA 4 4
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 4 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 1 cassava IITA-TMS-IBA982101 NA 725 1625.00 1812.50 roots 1625.00 NA NA NA NA 4 4
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 5 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 1 cassava TMEB419 NA 39671 406.25 1062.50 roots 406.25 NA NA NA NA 4 4
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 6 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 1 cassava TMS13F1020P0002 NA 48508 1812.50 1687.50 roots 1812.50 NA NA NA NA 4 4
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 7 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 1 cassava TMS13F1020P0004 NA 48509 1656.25 1187.50 roots 1656.25 NA NA NA NA 4 4
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 8 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 1 cassava TMS13F1108P0007 NA 48536 1218.75 1218.75 roots 1218.75 NA NA NA NA 4 4
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 9 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 1 cassava TMS13F1109P0009 NA 48537 2375.00 1375.00 roots 2375.00 NA NA NA NA 4 4
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 10 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 1 cassava TMS13F1122P0004 NA 52429 1562.50 1000.00 roots 1562.50 NA NA NA NA 4 4
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 11 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 1 cassava TMS13F1124P0003 NA 52430 1875.00 1562.50 roots 1875.00 NA NA NA NA 4 4
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 12 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 1 cassava TMS13F1212P0058 NA 48556 968.75 843.75 roots 968.75 NA NA NA NA 4 4
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 13 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 1 cassava TMS13F1306P0001 NA 52450 1593.75 1062.50 roots 1593.75 NA NA NA NA 4 4
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 14 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 1 cassava TMS13F1307P0004 NA 52452 1687.50 1156.25 roots 1687.50 NA NA NA NA 4 4
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 15 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 1 cassava TMS13F1307P0005 NA 52453 1062.50 1343.75 roots 1062.50 NA NA NA NA 4 4
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 16 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 1 cassava TMS13F1307P0006 NA 51436 718.75 1250.00 roots 718.75 NA NA NA NA 4 4
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 17 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 1 cassava TMS13F1307P0010 NA 52455 1281.25 1406.25 roots 1281.25 NA NA NA NA 4 4
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 18 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 1 cassava TMS13F1307P0011 NA 48584 1500.00 1437.50 roots 1500.00 NA NA NA NA 4 4
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 19 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 1 cassava TMS13F1307P0023 NA 52457 1750.00 1375.00 roots 1750.00 NA NA NA NA 4 4
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 20 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 1 cassava TMS13F1332P0042 NA 48569 875.00 1562.50 roots 875.00 NA NA NA NA 4 4
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 21 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 2 cassava IITA-TMS-IBA000070 NA 1936 2093.75 968.75 roots 2093.75 NA NA NA NA 4 4
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 22 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 2 cassava IITA-TMS-IBA30572 NA 5 1656.25 1437.50 roots 1656.25 NA NA NA NA 4 4
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 23 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 2 cassava IITA-TMS-IBA980581 NA 723 1906.25 1718.75 roots 1906.25 NA NA NA NA 4 4
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 24 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 2 cassava IITA-TMS-IBA982101 NA 725 1562.50 1562.50 roots 1562.50 NA NA NA NA 4 4
doi_10.25502_PGFV-XE51 17.GS.C0.C1.AYT.20.setA.IB 25 Nigeria Ibadan 3.94704 7.37754 TRUE 2017-05-08 2018-05-10 FALSE FALSE 2 cassava TMEB419 NA 39671 500.00 1250.00 roots 500.00 NA NA NA NA 4 4


The dataset has 20 treatments:

treatments
variety
IITA-TMS-IBA000070
IITA-TMS-IBA30572
IITA-TMS-IBA980581
IITA-TMS-IBA982101
TMEB419
TMS13F1020P0002
TMS13F1020P0004
TMS13F1108P0007
TMS13F1109P0009
TMS13F1122P0004
TMS13F1124P0003
TMS13F1212P0058
TMS13F1306P0001
TMS13F1307P0004
TMS13F1307P0005
TMS13F1307P0006
TMS13F1307P0010
TMS13F1307P0011
TMS13F1307P0023
TMS13F1332P0042

The observations are for 1 locations, for which we have 1 unique mapped locations.


The data are further summarized in the table below

Variable Stats / Values Freqs (% of Valid) Graph Missing
dataset_id [character] 1. doi_10.25502_PGFV-XE
60(100.0%)
 0 (0.0%)
trial_id [character] 1. 17.GS.C0.C1.AYT.20.s
60(100.0%)
 0 (0.0%)
record_id [integer]
Mean (sd) : 30.5 (17.5)
min ≤ med ≤ max:
1 ≤ 30.5 ≤ 60
IQR (CV) : 29.5 (0.6)
 60 distinct values (Integer sequence) 0 (0.0%)
country [character] 1. Nigeria
60(100.0%)
 0 (0.0%)
location [character] 1. Ibadan
60(100.0%)
 0 (0.0%)
geo_from_source [logical] 1. TRUE
60(100.0%)
 0 (0.0%)
planting_date [character] 1. 2017-05-08
60(100.0%)
 0 (0.0%)
harvest_date [character] 1. 2018-05-10
60(100.0%)
 0 (0.0%)
on_farm [logical] 1. FALSE
60(100.0%)
 0 (0.0%)
is_survey [logical] 1. FALSE
60(100.0%)
 0 (0.0%)
rep [integer]
Mean (sd) : 2 (0.8)
min ≤ med ≤ max:
1 ≤ 2 ≤ 3
IQR (CV) : 2 (0.4)
1:20(33.3%)
2:20(33.3%)
3:20(33.3%)
 0 (0.0%)
crop [character] 1. cassava
60(100.0%)
 0 (0.0%)
variety [character]
1. IITA-TMS-IBA000070
2. IITA-TMS-IBA30572
3. IITA-TMS-IBA980581
4. IITA-TMS-IBA982101
5. TMEB419
6. TMS13F1020P0002
7. TMS13F1020P0004
8. TMS13F1108P0007
9. TMS13F1109P0009
10. TMS13F1122P0004
[ 10 others ]
3(5.0%)
3(5.0%)
3(5.0%)
3(5.0%)
3(5.0%)
3(5.0%)
3(5.0%)
3(5.0%)
3(5.0%)
3(5.0%)
30(50.0%)
 0 (0.0%)
variety_alt [logical]
All NA's
 60 (100.0%)
variety_code [integer]
Mean (sd) : 40071.1 (19991.2)
min ≤ med ≤ max:
5 ≤ 48562.5 ≤ 52457
IQR (CV) : 6136.2 (0.5)
 20 distinct values 0 (0.0%)
fwy_storage [numeric]
Mean (sd) : 1454.2 (544.3)
min ≤ med ≤ max:
125 ≤ 1531.2 ≤ 2812.5
IQR (CV) : 570.3 (0.4)
 40 distinct values 0 (0.0%)
fwy_residue [numeric]
Mean (sd) : 1345.3 (307.6)
min ≤ med ≤ max:
812.5 ≤ 1343.8 ≤ 2250
IQR (CV) : 500 (0.2)
 30 distinct values 0 (0.0%)
yield_part [character] 1. roots
60(100.0%)
 0 (0.0%)
yield [numeric]
Mean (sd) : 1454.2 (544.3)
min ≤ med ≤ max:
125 ≤ 1531.2 ≤ 2812.5
IQR (CV) : 570.3 (0.4)
 40 distinct values 0 (0.0%)
N_fertilizer [logical]
All NA's
 60 (100.0%)
P_fertilizer [logical]
All NA's
 60 (100.0%)
K_fertilizer [logical]
All NA's
 60 (100.0%)
irrigated [logical]
All NA's
 60 (100.0%)
plot_length [integer] 1 distinct value
4:60(100.0%)
 0 (0.0%)
plot_width [integer] 1 distinct value
4:60(100.0%)
 0 (0.0%)