The phrase "at a first estimate" is correct and usable in written English.
It can be used when providing an initial assessment or approximation of something before further analysis or information is available.
Example: "At a first estimate, the project will require approximately six months to complete."
Alternatives: "initially estimated" or "at first glance".
Although it is arguable how representative FLIR measurements are for the bulk temperature of the eruptive mixture (see Harris 2013), values derived by thermal images can at least serve as a first estimate.
However, the meaningfulness of these correlations is somewhat questionable, given that while the broad relationships of the languages considered here are generally accepted, the lexicostatistics that the actual distances between languages are based on are at best a first estimate with numerous potentially problematic approximations [Additional file 1: Supplemental Section 3].
The $3 billion bid underlines the interest in nuclear energy, despite the concerns aroused by the Fukushima disaster in Japan last year.Trying to regain momentumAmerica's growth rate weakened in the second quarter, expanding by 1.5% over the previous quarter at an annual rate, according to a first estimate.
This gives a first estimate of VEco2 at a new VT.
A first estimate had put growth at 3.5%, but failed to reckon for rising consumer spending.
A rise in capitalisation rates back to their historic average would imply farmland-price falls of up to a third, estimate officials at the Federal Reserve Bank of Kansas City.Were that to happen, the impact on farmers would be severe.
Economists had expected no change in the BEA's third effort at estimating GDP, and such sharp revisions are rare in a third estimate.
"I did a lot of defensive voting during that time," Ryan said, referring specifically to a 2003 bill that overhauled Medicare and gave seniors prescription-drug benefits at a cost first estimated at $400 billion over 10 years.
Note that these analyses are easily generalized for a given problem at hand by first estimating the response kernel of a given neuron under a given stimulus, and then simulating data with this response kernel and stimulus, varying parameters of the two models.
Chevron, a California-based oil giant, at first estimated its 2005 oil discovery in the Gulf of Thailand at 400m barrels, enough to earn about $1.7 billion a year, against the government's budget last year of $1.2 billion.
