Showing data sets with "multivariate" tag
Multivariate data sets
| Raw material properties | Measured characteristics of several batches (lots) of plastic pellets. | 36 | 6 | 6546 | |
| Brittleness index | A plastic product is produced in three parallel reactors (TK104, TK105, or TK107). For each row in the dataset, we have the same batch of raw material that was split, and fed to the 3 reactors. These values are the … | 15 | 3 | 7960 | |
| Room temperatures | Temperature measurements, in Kelvin, taken from 4 corners of a room. | 144 | 4 | 11314 | |
| Six-point board thickness | Thickness of 2x6 SPF boards from a saw mill. | 5000 | 6 | 11086 | |
| Batch yield and purity | The two columns in the data set are: the percentage yield from a batch reactor, and; the purity of the feedstock. The feedstock is what we add to the reactor, and the yield is measured after the reaction is completed. … | 241 | 2 | 6757 | |
| Bioreactor yields | The percentage yield from a bioreactor given the temperature, impeller speed, duration, and whether or not the reactor has baffles. | 14 | 5 | 9310 | |
| Wood fibres | A sample of aspen tree fibre as characterized by a fibre quality analyzer (FQA). | 25165 | 6 | 3918 | |
| Tablet NIR spectral data | Spectra, measured in the transmittance mode, of 460 pharmaceutical tablets; readings are from 600 to 1898 nm in 2 nm increments. | 460 | 650 | 14629 | |
| Food texture | Texture measurements of a pastry-type food. | 50 | 5 | 22561 | |
| Cheddar cheese | Concentrations of acetic acid, H2S, and lactic acid in 30 samples of mature cheddar cheese. A subjective taste value is also provided. | 30 | 4 | 13855 | |
| Oil company DOE | Experimental data; testing amount of 4 materials added (A, B, C, D) in order to achieve a certain volumetric heat capacity, y. | 19 | 5 | 5467 | |
| Distillation tower | Snapshot measurements on 27 variables from a distillation column; measured over 2.5 years. | 253 | 27 | 12626 | |
| LDPE | Data from a low-density polyethylene production process. There are 14 process variables and 5 quality variables (last 5 columns). | 54 | 19 | 5476 | |
| Raw material outcome | Six characterizing measurements for batches of plastic pellets; the outcome when using this material, either Poor or Adequate, is also provided. | 24 | 7 | 6593 | |
| Wine DOE | Data from a fractional factorial for profiling a new wine. The last 5 columns are the taste values from a panel of judges. Higher values are a better overall taste. | 16 | 13 | 4557 | |
| Class grades | Grades from a Chemical Engineering course at McMaster University. | 99 | 6 | 12712 | |
| Food consumption | The relative consumption of certain food items in European and Scandinavian countries. The numbers represent the percentage of the population consuming that food type. | 16 | 20 | 21757 | |
| Silicon wafer thickness | Thickness of a single wafer, measured at 9 locations for 184 consecutive batches. A single wafer is removed from a tray of wafers (always at the same position for each batch of wafers) after the chemical vapour decomposition process is … | 184 | 9 | 4579 | |
| Solvents | Physical properties of various chemical solvents, such as melting point, boiling point, dipole moment, refractive index, density, solubility. | 103 | 9 | 4689 | |
| Film thickness | The thickness of a plastic film is measured in 4 positions after being cut. The position of the measurements are top right, top left, bottom right and bottom left. | 160 | 4 | 3653 | |
| Peas | The taste of 27 pea varieties as measured by judges. After blanching the peas, the peas were quick-frozen, packed into bags and stored for 3 months. | 60 | 17 | 4983 | |
| Kamyr digester | Pulp quality is measured by the lignin content remaining in the pulp: the Kappa number. This data set is used to understand which variables in the process influence the Kappa number, and if it can be predicted accurately enough for … | 301 | 22 | 8324 | |
| Sawdust | Sawdust from birch, pine a spruce were blended in specific ratios. The corresponding NIR spectra are recorded. | 54 | 1204 | 2763 | |
| Travel times | A driver uses an app to track GPS coordinates as he drives to work and back each day. The app collects the location and elevation data. Data for about 200 trips are summarized in this data set. | 205 | 13 | 20104 | |
| Flotation cell | Data from a zinc-lead flotation cell measured on 5 variables; recorded from the PLCs. | 2922 | 5 | 7256 | |
| Blender efficiency | The effect of 4 factors on blending efficiency. | 18 | 5 | 5339 | |
| Certificates of analysis | Four properties of an important powder raw material were transcribed from the supplier's certificates of analysis. | 122 | 5 | 3433 | |
| Systematic method | Data are from an open-ended question on a final exam. The values are the grades achieved for the answer to that question, broken down by whether the student used a systematic method, or not. No grades were given for using … | 44 | 2 | 3578 | |
| Industrial Batch Polymerization | 55 batches, each aligned to 100 equal time intervals (K = 100) for J=10 process variables measured throughout each batch. The batches are stacked vertically (rows 1-100 = batch 1, rows 101-200 = batch 2, etc). Values are scaled/normalized (dimensionless, … | 741 | |||
| Industrial Batch Dryer | A single workbook holding all four blocks, one per sheet: Z_operations: Operating-condition initial values; Z_chemistry: Chemistry initial conditions; X_batch: Aligned in-batch trajectory data; Y_quality: Final quality attributes (CQAs); The 59 batches in X_batch are stacked vertically with 325 samples each … | 752 | |||
| Sensory panel | Two synthetic, fully generic files used as a tutorial by the "descriptive panel data" tutorial in the process-improve package. Ten assessors scored eighteen products on nine sensory attributes; a companion table gives measured product covariates. The dataset is synthetic to … | 108 | |||
| Vapor pressure | Hourly process measurements from a distillation column that stabilises a hydrocarbon product stream in a refinery. | 18743 | 30 | 303 | |
| Styrene-butadiene rubber (SBR) batch reactor | Simulated emulsion polymerization of styrene-butadiene rubber: 53 batches, nine measured trajectories over 200 samples each, and five final latex quality attributes per batch. Two batches carry a known, deliberately simulated fault. | 1 | 1 | 577 |