This report describes standardized data for “Assessment of Polyploid Varieties of Cassava for high yield and disease resistance in an Advanced Yield Trial (32 clones) in Onne 1993/1994 Breeding Season”. These data were standardized on 2024-09-18 by Robert Hijmans with this R script. The original data have a CC-BY license. Here you can download the standardized data. This is the full citation of the data set:
Kulakow, Peter; Ismail Rabbi; Elizabeth Parkes; Chiedozie Egesi; Olufemi Aina; Prasad Peteti; Agbona Afolabi (1994). Assessment of Polyploid Varieties of Cassava for high yield and disease resistance in an Advanced Yield Trial (32 clones) in Onne 1993/1994 Breeding Season. International Institute of Tropical Agriculture (IITA). Not versioned. doi:10.25502/0S10-QA83
The dataset has 128 records and 29 variables for cassava in Nigeria. The dataset has 1 treatment(s): variety.
These are the first 25 records:
country | location | longitude | latitude | geo_from_source | trial_id | planting_date | harvest_date | on_farm | is_survey | rep | crop | variety | variety_alt | variety_code | dmy_storage | fwy_storage | fwy_residue | yield_part | yield | N_fertilizer | P_fertilizer | K_fertilizer | irrigated | plot_length | plot_width | harvest_index |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA30572 | NA | 5 | 1.0 | 5000 | NA | roots | 5000 | NA | NA | NA | NA | NA | NA | 0.3 |
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA4(2)1425 | NA | 246 | 3.2 | 12200 | NA | roots | 12200 | NA | NA | NA | NA | NA | NA | 0.6 |
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA63397 | NA | 254 | 4.1 | 23800 | NA | roots | 23800 | NA | NA | NA | NA | NA | NA | 0.5 |
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA63397XM.GLAZOVII-7 | NA | 1375311 | 5.3 | 18700 | NA | roots | 18700 | NA | NA | NA | NA | NA | NA | 0.5 |
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA8101623 | NA | 1157911 | 2.7 | 16900 | NA | roots | 16900 | NA | NA | NA | NA | NA | NA | 0.7 |
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA8400136 | NA | 698453 | 4.6 | 22000 | NA | roots | 22000 | NA | NA | NA | NA | NA | NA | 0.7 |
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA8400316 | NA | 137958 | 11.7 | 27200 | NA | roots | 27200 | NA | NA | NA | NA | NA | NA | 0.7 |
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA8700018-28 | NA | 1337646 | 0.8 | 3100 | NA | roots | 3100 | NA | NA | NA | NA | NA | NA | 0.4 |
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA8700018-42 | NA | 137954 | 4.3 | 19500 | NA | roots | 19500 | NA | NA | NA | NA | NA | NA | 0.6 |
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA88112-7 | NA | 1337647 | 3.9 | 13400 | NA | roots | 13400 | NA | NA | NA | NA | NA | NA | 0.6 |
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA8900001-10 | NA | 1337649 | 4.7 | 25200 | NA | roots | 25200 | NA | NA | NA | NA | NA | NA | 0.6 |
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA8900001-13 | NA | 1337793 | 9.8 | 26200 | NA | roots | 26200 | NA | NA | NA | NA | NA | NA | 0.6 |
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA8900001-2 | NA | 1337650 | 10.5 | 44000 | NA | roots | 44000 | NA | NA | NA | NA | NA | NA | 0.6 |
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA8900003-10 | NA | 1337651 | 12.0 | 34900 | NA | roots | 34900 | NA | NA | NA | NA | NA | NA | 0.5 |
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA8900003-104 | NA | 1337652 | 6.1 | 20100 | NA | roots | 20100 | NA | NA | NA | NA | NA | NA | 0.6 |
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA8900003-105 | NA | 1263552 | 5.3 | 16500 | NA | roots | 16500 | NA | NA | NA | NA | NA | NA | 0.5 |
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA8900003-1 | NA | 803524 | 9.5 | 31200 | NA | roots | 31200 | NA | NA | NA | NA | NA | NA | 0.7 |
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA8900003-114 | NA | 1337653 | 4.8 | 22500 | NA | roots | 22500 | NA | NA | NA | NA | NA | NA | 0.7 |
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA8900003-35 | NA | 1337655 | 5.0 | 16000 | NA | roots | 16000 | NA | NA | NA | NA | NA | NA | 0.5 |
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA8900003-4 | NA | 1337656 | 3.1 | 11000 | NA | roots | 11000 | NA | NA | NA | NA | NA | NA | 0.6 |
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA8900003-42 | NA | 1337657 | 11.7 | 34500 | NA | roots | 34500 | NA | NA | NA | NA | NA | NA | 0.6 |
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA8900003-43 | NA | 1337658 | 5.1 | 19500 | NA | roots | 19500 | NA | NA | NA | NA | NA | NA | 0.6 |
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA8900003-46 | NA | 1337660 | 3.2 | 14000 | NA | roots | 14000 | NA | NA | NA | NA | NA | NA | 0.5 |
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA8900003-48 | NA | 1337661 | 10.5 | 27800 | NA | roots | 27800 | NA | NA | NA | NA | NA | NA | 0.6 |
Nigeria | Onne | 7.03532 | 4.74433 | TRUE | 93AYT32ppON | 1993-07-13 | 1994-07-29 | FALSE | FALSE | 1 | cassava | IITA-TMS-IBA8900003-49 | NA | 1337662 | 5.5 | 20000 | NA | roots | 20000 | NA | NA | NA | NA | NA | NA | 0.5 |
The observations are for 1 locations, for which we have 1 unique mapped locations.
The standardization script emits the following non-compliance warnings.
message |
---|
128 harvest_date more than 366 days after planting_date |
The overall quality of the dataset, given the completeness of required variables was 5.6 on a scale of 10. See the table below
variable | completeness (%) |
---|---|
planting_date | 100 |
harvest_date | 100 |
N_fertilizer | 0 |
P_fertilizer | 0 |
K_fertilizer | 0 |
irrigated | 0 |
latitude | 100 |
longitude | 100 |
location | 100 |
The data are further summarized in the table below.
Variable | Stats / Values | Freqs (% of Valid) | Graph | Missing | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
country [character] | 1. Nigeria |
|
0 (0.0%) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
location [character] | 1. Onne |
|
0 (0.0%) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
geo_from_source [logical] | 1. TRUE |
|
0 (0.0%) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
trial_id [character] | 1. 93AYT32ppON |
|
0 (0.0%) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
planting_date [character] | 1. 1993-07-13 |
|
0 (0.0%) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
harvest_date [character] | 1. 1994-07-29 |
|
0 (0.0%) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
on_farm [logical] | 1. FALSE |
|
0 (0.0%) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
is_survey [logical] | 1. FALSE |
|
0 (0.0%) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
rep [integer] |
|
|
0 (0.0%) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
crop [character] | 1. cassava |
|
0 (0.0%) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
variety [character] |
|
|
0 (0.0%) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
variety_alt [logical] |
|
128 (100.0%) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
variety_code [integer] |
|
32 distinct values | 0 (0.0%) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
dmy_storage [numeric] |
|
73 distinct values | 0 (0.0%) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
fwy_storage [integer] |
|
99 distinct values | 0 (0.0%) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
fwy_residue [logical] |
|
128 (100.0%) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
yield_part [character] | 1. roots |
|
0 (0.0%) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
yield [integer] |
|
99 distinct values | 0 (0.0%) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
N_fertilizer [logical] |
|
128 (100.0%) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
P_fertilizer [logical] |
|
128 (100.0%) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
K_fertilizer [logical] |
|
128 (100.0%) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
irrigated [logical] |
|
128 (100.0%) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
plot_length [logical] |
|
128 (100.0%) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
plot_width [logical] |
|
128 (100.0%) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
harvest_index [numeric] |
|
|
0 (0.0%) |