R Chart.Correlations resized coefficients in R. How do you reset? -

so spent few weeks on project, used chart.correlation function performanceanalytics in r image.

i because great job of showing curves , coefficients super big. after few days, reran , these difference now.

granted few points different. have spent hours on end trying figure out why coefficient sizes different , how normal (like first one). want sizes of numbers first one. if can me out. really grateful.