Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Scatter plots indicating correlations between sensor array and SRI-TOF-MS for acetone (a), ammonia (b), and isoprene (c) along with their corresponding Pearson’s correlation coefficients (r) and coefficients of determination (R2). (d) Box-and-whisker plot of sensor array estimation errors. Medians and means are shown as lines and squares, respectively. The boxes represent the first and third quartiles and whiskers indicate the full ranges.
