Field Logger

Field Logger is an offline-first research data collector and on-device statistical analysis engine built for scientists, agronomists, field ecologists, sociologists, and lab researchers. Eliminate fragile paper datasheets and disconnected spreadsheets—collect field measurements, tag precise GPS coordinates, attach visual evidence, and inspect live parametric and non-parametric statistics directly on your device without an internet connection. 🌟 Key Features * 📡 100% Offline-First Data Collection Log sample entries seamlessly in remote field stations, forests, agricultural plots, or labs. All records, coordinates, and images are stored securely on your local device. * 🔬 Multi-Domain Research Support Organize entries across specialized domains or configure custom workflows: * Agriculture: Soil surveys, crop yields, fertilizer trials, plot testing. * Environmental Science: Estuary water quality, pollution monitoring, forestry data. * Lab Biology: Rhizobacteria quantification, CFU/g, incubation temperatures, plate counts. * Social Science: Field interviews, farmer tech adoption surveys, qualitative scoring. * Custom: Tailor variables and units to your specific study protocol. * 📊 Comprehensive Variable & Measurement Logging * Assign unique Sample / Subject IDs and Study Project Names. * Record primary numeric measurements with built-in scientific unit presets (\text{pH}, \text{mg/L}, \text{kg/ha}, \%, ^\circ\text{C}, \text{ppm}, \text{cm}, \text{CFU/g}, or scores 0\text{--}100). * Log secondary variables (e.g., incubation temperature, humidity) and detailed qualitative observation notes. * 📍 Hardware GPS Geotagging & Field Station Naming Capture real-time GPS coordinates directly via device sensors with offline accuracy estimation. Tag station names, transect markers, or plot identifiers to maintain spatial integrity. * 📷 Visual Evidence & Photo Documentation Capture specimens, soil profiles, survey subjects, or petri dishes directly with the camera or import from your photo gallery. * 📈 Built-In Statistical Analysis (Powered by Apache Commons Math) Inspect statistical distributions in the field without waiting to reach a computer: * Visual Distribution: Dynamic frequency histograms with automated sample binning and mean indicators. * Parametric Statistics: Mean (\bar{x}), Standard Deviation (s), Sample Variance (s^2), Standard Error of Mean (SEM), and 95\% Confidence Intervals (\text{CI}). * Non-Parametric & Quartiles: Median (M), Interquartile Range (\text{IQR}), Q_1 (25\%), Q_3 (75\%), and total range (\Delta). * Shape Characteristics: Real-time Skewness and Kurtosis indicators. * Group Breakdowns: Automatically compute and compare means, standard deviations, and medians across domains. * 💻 Instant R Script & SPSS Syntax Generation * One-Click CSV Export: Headers formatted strictly according to tidy data standards for SPSS, RStudio, and Excel. * R Statistical Script: Generates ready-to-run R code (read.csv(), data frame summaries, regression models) ready to copy into RStudio or Jupyter kernels. * SPSS Syntax: Pre-formatted syntax scripts ready to execute in IBM SPSS Statistics. 🎯 Designed for Field Practitioners * Agronomists & Soil Scientists: Track pH, moisture, and fertilizer response across test plots. * Ecologists & Marine Biologists: Monitor water estuaries, wildlife counts, and biodiversity transects. * Social Researchers & Surveyors: Record field interview notes, adoption scores, and observer metadata. * Microbiology & Laboratory Technicians: Record serial dilution colony counts and incubator data. 🛡️ Privacy & Performance * No cloud account creation or login required. * No data tracking, telemetry, or third-party ads. * Fast, lightweight, battery-optimized dark UI designed for direct outdoor sunlight and low-light lab conditions. Collect accurate field data, compute instant statistics, and export clean datasets for publication with

Photo upload camera GPS