Monthly Archives: March 2014

US market portrait 2014 week 13

US large cap market returns. Fine print The data are from Yahoo The S&P 500 stocks are used (as implied by S&P on 2014 January 11) that still survive with the same symbol The initial post was “Replacing market indices” The R code is in marketportrait_funs.R — you are free to use these functions however … Continue reading

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US market portrait 2014 week 12

US large cap market returns. Fine print The data are from Yahoo The S&P 500 stocks are used (as implied by S&P on 2014 January 11) that still survive with the same symbol The initial post was “Replacing market indices” The R code is in marketportrait_funs.R — you are free to use these functions however … Continue reading

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BurStFin R package version 1.02 released

More efficiency and an additional function in the new version on CRAN. Variance estimation The major functionality in the package is variance estimation: Ledoit-Wolf shrinkage via var.shrink.eqcor statistical factor model (principal components) via factor.model.stat There have been a number of previous blog posts on both factor models and Ledoit-Wolf shrinkage. Positive-definiteness The default value of … Continue reading

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US market portrait 2014 week 11

US large cap market returns. Fine print The data are from Yahoo The S&P 500 stocks are used (as implied by S&P on 2014 January 11) that still survive with the same symbol The initial post was “Replacing market indices” The R code is in marketportrait_funs.R — you are free to use these functions however … Continue reading

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US market portrait 2014 week 10

US large cap market returns. Fine print The data are from Yahoo The S&P 500 stocks are used (as implied by S&P on 2014 January 11) that still survive with the same symbol The initial post was “Replacing market indices” The R code is in marketportrait_funs.R — you are free to use these functions however … Continue reading

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US market portrait 2014 week 9

US large cap market returns. Fine print The data are from Yahoo The S&P 500 stocks are used (as implied by S&P on 2014 January 11) that still survive with the same symbol The initial post was “Replacing market indices” The R code is in marketportrait_funs.R — you are free to use these functions however … Continue reading

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