The phrase "analysis has started" is correct and usable in written English.
It can be used to indicate that the process of analyzing something has begun.
Example: "The project is moving forward, and I am pleased to inform you that the analysis has started."
Alternatives: "analysis is underway" or "analysis has commenced."
The analysis has started.
Simon Kuper, whose book "Soccernomics" seemed to spur an interest in statistical analysis, has started a company that markets data to interested teams.
At Fraunhofer IOF technology analysis has started to identify suitable manufacturing processes for EUV mask chucks made from low thermal expansion materials.
Epidemiological studies indicate heritability of OA, and genetic linkage analysis has started to map susceptibility loci.
In the case of p63, detailed analysis has started to reveal the physiological functions of some isoforms.
Although multiple production, study design, analysis and interpretation issues remain unresolved, progress in developing, calibrating and optimizing tools for more accurate data delivery and powerful association analysis has started to materialize.
Hansen's analysis had started to feel lazy, which is a pity because he was very good a few years back, and if the BBC is to catch up with Sky it needs to move away from the 19th-hole chumminess and understand that viewers want real insight.
Application of correlation functions in engineering analysis had started with development of X-ray scattering and diffraction.
So why, Congressional investigators want to know, did Vytorin's makers, Merck and Schering-Plough, tell the House Committee on Energy and Commerce that safety committees overseeing the analysis had started looking into a cancer signal a full six months earlier–in January 2008?
But even as the labs do their analysis, Curiosity has started moving towards a rock feature it saw briefly on the way into Yellowknife Bay.
Recruitment and follow-up of all study patients have ended and the analysis phase has started by spring 2009.
